Cofer, C. N. (1972). Motivation & emotion. Scott, Foresman and Company.
Cita Chicago Style (17a ed.)Cofer, Charles Norval. Motivation & Emotion. Glenview, Illinois ; London: Scott, Foresman and Company, 1972.
Cita MLA (9a ed.)Cofer, Charles Norval. Motivation & Emotion. Scott, Foresman and Company, 1972.
Precaución: Estas citas no son 100% exactas.