Berger, K. S. (1998). The developing person: Through the life span (4th ed.). Worth publ..
Lua i Stíl Chicago (17ú heag.)Berger, Kathleen Stassen. The Developing Person: Through the Life Span. 4th ed. New York: Worth publ., 1998.
Lua MLA (9ú heag.)Berger, Kathleen Stassen. The Developing Person: Through the Life Span. 4th ed. Worth publ., 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.