Lua APA (7ú heag.)

Smith, P. K., & Cowie, H. (1991). Understanding children's development (2nd ed.). Basil Blackwell.

Lua i Stíl Chicago (17ú heag.)

Smith, Peter K., agus Helen Cowie. Understanding Children's Development. 2nd ed. Oxford: Basil Blackwell, 1991.

Lua MLA (9ú heag.)

Smith, Peter K., agus Helen Cowie. Understanding Children's Development. 2nd ed. Basil Blackwell, 1991.

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