Williams, R. L., & Long, J. D. (1983). Toward a self-managed life style (3rd ed.). Houghton Mifflin.
Chicago Style (17. basım) AtıfWilliams, Robert L., ve James D. Long. Toward a Self-managed Life Style. 3rd ed. Boston: Houghton Mifflin, 1983.
MLA (8th ed.) AtıfWilliams, Robert L., ve James D. Long. Toward a Self-managed Life Style. 3rd ed. Houghton Mifflin, 1983.
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