Berger, K. S., & Thompson, R. A. (1994). The developing person through the life span (3rd ed.). Worth.

Berger, Kathleen Stassen, and Ross A. Thompson. The Developing Person Through the Life Span. 3rd ed. New York: Worth, 1994.

Berger, Kathleen Stassen, and Ross A. Thompson. The Developing Person Through the Life Span. 3rd ed. Worth, 1994.