Berger, K. S., & Thompson, R. A. (1994). The developing person through the life span (3rd ed.). Worth.
Lua i Stíl Chicago (17ú heag.)Berger, Kathleen Stassen, agus Ross A. Thompson. The Developing Person Through the Life Span. 3rd ed. New York: Worth, 1994.
Lua MLA (9ú heag.)Berger, Kathleen Stassen, agus Ross A. Thompson. The Developing Person Through the Life Span. 3rd ed. Worth, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.