1. Adams, R. G. and Blieszner, R. (1995) ‘Aging Well with Friends and Family,’ American Behavioral Scientist 39(2): 209–24.
2. Adkins, K. D. (1994) ‘The Leisure of the Aging: We’ve Only Just Begun,’ Illinois Parks & Recreation (November/December): 30.
3. Alexandris, K. and Carrol, B. (1997) ‘An Analysis of Leisure Constraints based on Different Recreational Sport Participation Levels: Results from a Study in Greece,’ Leisure Sciences 19: 1–15.
4. Alfermann, D. and Stoll, O. (2000) ‘Effects of Physical Exercise on Self-Concept and Well-being,’ International Journal of Sport Psychology 30: 47–65.
5. Atchley, R. C. (1971) The Social Forces in Later Life Belmont, CA, Wadsworth Publishing Co.