Dyfyniad APA

Atkinson, J. W., & David Birch. (1978). Introduction to motivation/ 2e (2nd Ed.). D.Van Nosstrand Company.

Dyfyniad Arddull Chicago

Atkinson, John W., and David Birch. Introduction to Motivation/ 2e. 2nd Ed. New York: D.Van Nosstrand Company, 1978.

Dyfyniad MLA

Atkinson, John W., and David Birch. Introduction to Motivation/ 2e. 2nd Ed. D.Van Nosstrand Company, 1978.

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