Dyfyniad APA

Kagan, J., & Lang, C. (1978). Psychology and education: An introduction. Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Kagan, Jerome, and Cynthia Lang. Psychology and Education: An Introduction. New York: Harcourt Brace Jovanovich, 1978.

Dyfyniad MLA

Kagan, Jerome, and Cynthia Lang. Psychology and Education: An Introduction. Harcourt Brace Jovanovich, 1978.

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