Lua APA (7ú heag.)

Berk, L. E. (2005). Infants, children, and adolescents (Fifth edition.). Pearson.

Lua i Stíl Chicago (17ú heag.)

Berk, Laura E. Infants, Children, and Adolescents. Fifth edition. New York: Pearson, 2005.

Lua MLA (8ú heag.)

Berk, Laura E. Infants, Children, and Adolescents. Fifth edition. Pearson, 2005.

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