References

Green, T. (1968). Work, Leisure, and the American Schools. New York:, Random House.


 Fontana Communications Series, London, Collins, 1976. New edition, New York, Oxford University Press, 1984


Crepeau E. ( 2003 ). Analyzing occupation and activity: A way of thinking about occupational performance. In Crepeau E., Cohn E, & Schell B (Eds.), Willard and Spackman’s occupational therapy ( 10th ed., pp.189-198). Philadelphia: Lippincott, Williams & Wilkins

Shopping. (2011). Retrieved 9 17, 2011, from Wkipedia: http://en.wikipedia.org/wiki/Shopping

Butler, M. (2011). Outline of ergonomics. Dunedin, New Zealand: Otago Polytechnic.