Williams, R. L. 1., & Long, J. D. 1. (1975). Toward a self-managed life style (Second edition.). Boston: Houghton Mifflin Company.
Citación estilo ChicagoWilliams, Robert L. 1937-, y James D. 1942- Long. Toward a Self-managed Life Style. Second edition. Boston: Houghton Mifflin Company, 1975.
Cita MLAWilliams, Robert L. 1937-, y James D. 1942- Long. Toward a Self-managed Life Style. Second edition. Boston: Houghton Mifflin Company, 1975.
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