Dyfyniad APA

Berger, K. S. (2005). The developing person through the life span (6th ed.). Worth Publishers.

Dyfyniad Arddull Chicago

Berger, Kathleen Stassen. The Developing Person Through the Life Span. 6th ed. New York: Worth Publishers, 2005.

Dyfyniad MLA

Berger, Kathleen Stassen. The Developing Person Through the Life Span. 6th ed. Worth Publishers, 2005.

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