1 Deci, E.L. & Ryan, R.M. (2000). The "what" and "why" of goal pursuits " Human needs and the self-determination of behaviour. Psychological Inquiry, 11, 227- 268.
2 Ryan, R.M., Huta, V & Deci, E.L. (2008). Living well: A self-determination theory perspective on Eudaimonia. Journal of Happiness Studies, 9, 139-170.
3 Deci, E.L. & Ryan, R.M. (2008). Self-determination theory: A macrotheory of human motivation, development and health. Canadian Psychology,49, 182-185.
4 Deci, E.L. & Ryan, R.M. (2008). Facilitating optimal motivation and psychological well-being across life's domains. Canadian Psychology,49, 14-23.
5 Seligman, M.E.P. (2011). Flourish: A Visionary New Understanding of Happiness and Well-being. NY:Free Press
6 Ryan, R.M., Bernstein, J.H. & Brown, K.W. (2010). Weekends, work and well-being: Psychological need satisfactions and day of the week effects on mood, vitality and physical symptoms. Journal of Social and Clinical Psychology, 29, 95-122.
7 Sekerka, L. & Fredrickson, B.L. (2010). Working positively toward transformative cooperation. In P.A. Linley, S. Harrington & N. Garcea (Eds), Oxford Handbook of Positive Psychology and Work. NY: Oxford University Press
8 Seligman, M.E.P. (2002). Authentic Happiness. London: Nicolas Brealey
9 Grant, A.M. (2007). Relational job design and the motivation to make a prosocial difference. Academy of Management Review, 32, 393-417.
10 Linley,P.A., N.Garcea, & Harrington, S. (2011). Organizational applications of positive psychology: taking stock and a research roadmap for the future. In K.M.Sheldon, Kashdan,T.B. & Steger,M.F. Designing Positive Psychology: Taking Stock and Moving Forward. NY: Oxford University Press.
11 Pink,D.H. (2009). Drive: The surprising truth about what motivates us. London: Penguin
12 Wrzesniewski, A. (2003). Finding positive meaning in work. In K.S.Cameron, Dutton,J.E. & Quinn, R.E. (Eds). Positive Organization Scholarship: Foundations of a New Discipline. CA: Berrett-Koehler; See also Wrzesniewski, A., Berg, J.M. & Dutton, J.E. (2010, June) Turn the job you have into the one you want. Harvard Business Review.
13 Stairs, M. & Galpin, M. (2010) Positive engagement: from employee engagement to workplace happiness. In P.A. Linley, S. Harrington & N. Garcea (Eds), Oxford Handbook of Positive Psychology and Work. NY: Oxford University Press
14 Diener, E. & Biswas-Diener, R. (2008). Happiness: Unlocking The Mysteries of Psychological Wealth. Oxford: Blackwell.
15 Judge, T.A., Thoresen, C.J., Bono, J.E. & Patton, G.K. (2001).The job satisfaction-job performance relationship: A qualitative and quantitative review. Psychological Bulletin, 127, 376-407
16 Oswald, A.J., Proto, E. & Sgroi, D. (2008). Happiness and productivity. Warwick Economic Research Papers. No. 882, Department of Economics, Warwick University.
17 Wright, T.A. (2010). More than meets the eye: The role of employee well-being in organizational research. In P.A. Linley, S. Harrington & N. Garcea (Eds), Oxford Handbook of Positive Psychology and Work. NY: Oxford University Press
18 Fowler,J., & Christakis,N. (2009) Dynamic spread of happiness in a large social network: Longitudinal analysis over 20 years in the Framingham Heart Study. British Medical Journal, 338 pp. 1-13
19 Layard, R.L. (2011). Happiness: Lessons from a new science. London :Penguin
20 MacLeod, D. and Clarke,N. (2009) Engaging for Success: enhancing performance through employee engagement. A report to Government Department for Business, Innovation and Skills. London, United Kingdom: Crown copyright
21 MacLeod, D. and Brady, C. (2008) The Extra Mile: How to engage your people to win. Harlow, Great Britain: Pearson Education Limited/FT Prentice-Hall;
22 George, J.M. (2011). The wider context, costs and benefits of work engagement. European Journal of Work & Organizational Psychology, 20, 53-59.
23 Linley,P.A., N.Garcea, & Harrington, S. (2011). Organizational applications of positive psychology: taking stock and a research roadmap for the future. In K.M.Sheldon, Kashdan,T.B. & Steger,M.F. Designing Positive Psychology: Taking Stock and Moving Forward. NY: Oxford University Press.
24 Grant,A.M. (2008). Does intrinsic motivation fuel the prosocial fire? Motivational synergy in predicting persistence, performance and productivity. Journal of Applied Psychology, 93, 48-58.