Berger, K. S. (2005). The developing person through the life span (6th ed.). Worth Publishers.
Cita Chicago (17th ed.)Berger, Kathleen Stassen. The Developing Person Through the Life Span. 6th ed. NewYork: Worth Publishers, 2005.
Cita MLA (9th ed.)Berger, Kathleen Stassen. The Developing Person Through the Life Span. 6th ed. Worth Publishers, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.