Dyfyniad APA

Vinacke, W. E. (1968). Foundations of psychology. New York: American Book Company.

Dyfyniad Arddull Chicago

Vinacke, W. Edgar. Foundations of Psychology. New York: American Book Company, 1968.

Dyfyniad MLA

Vinacke, W. Edgar. Foundations of Psychology. New York: American Book Company, 1968.

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