Dyfyniad APA

Cofer, C. N., & Appley, M. H. (1964). Motivation: Theory and research. Wiley.

Dyfyniad Arddull Chicago

Cofer, Charles Norval, and Mortimer Herbert Appley. Motivation: Theory and Research. New York: Wiley, 1964.

Dyfyniad MLA

Cofer, Charles Norval, and Mortimer Herbert Appley. Motivation: Theory and Research. Wiley, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.