Berk, L. E. (2002). Infants, children, and adolescents (4th ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Berk, Laura E. Infants, Children, and Adolescents. 4th ed. Boston: Allyn and Bacon, 2002.
Cita MLA (9th ed.)Berk, Laura E. Infants, Children, and Adolescents. 4th ed. Allyn and Bacon, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.