1. Life-style and psychographics: A critical review and recommendation.;W. T.Anderson;Advances in Consumer Research. Association for Consumer Research (U. S.),1984
2. The nature and implications of high level wellness, or why ‘normal health’ is a rather sorry state of existence.;D. B.Ardell;Health Values,1979
3. Ardell, D. B. (2002). What is wellness? The Institute of Rehabilitation and Research. Retrieved from http://www.ilru.org