1R. Layard, Happiness. Lessons from a New Science, New York.. Penguin, 2005.
2R. C. Mannell & D. A. Kleiber,A Social Psychology of Leisure ,Philadelphia. Venture,1997.
3E.Dindex, Amerzcan E. Diener,"Subjective Well-being.. The Science of Happiness and a Proposal for a National " ' Psychologist ,Vol. 55 ,No. 1(2000) ,pp. 34 - 43.
4C. L. M. Keyes,"Social Well-being,"Social Psychology Quarterly ,Vol. 61 ,No. 2(1998), pp. 121 - 140.
5S. S. Franklin, The Psychology of Happiness.. A Good Human Life, Cambridge. Cambridge University Press, 2010.
6R. A. Stebbins, Personal Decisions in the Public Square . Beyond Problem Solving into a Positive Sociology, New Brunswick~ Transaction Publishers,2009.
7R. A. Stebbins,Between Work and Leisure . The Common Ground of Two Separate Worlds,New Brunswick.. Transaction Publishers, 2004.
8R. A. Stebbins, The Idea of Leisure . First Principles, New Brunswick . Transaction Publishers, 2012.
9C. Rojek, The Labour of Leisure . The Culture of Free Time ,London. Sage,2010.
10C. R. Snyder & J. Lopez, Positive Psychology. The Scientific and Practical Explorations of Human Strengths, Thousand Oaks . Sage, 2007.
