Dyfyniad APA

Cofer, C. N., & M.H. Appley. Motivation: Theory and research. John Wiley.

Dyfyniad Arddull Chicago

Cofer, Charles Norval, and M.H. Appley. Motivation: Theory and Research. New York: John Wiley.

Dyfyniad MLA

Cofer, Charles Norval, and M.H. Appley. Motivation: Theory and Research. John Wiley.

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