Lua APA (7ú heag.)

Westman, J. C. (1973). Individual differences in children. Wiley.

Lua i Stíl Chicago (17ú heag.)

Westman, Jack C. Individual Differences in Children. New York: Wiley, 1973.

Lua MLA (9ú heag.)

Westman, Jack C. Individual Differences in Children. Wiley, 1973.

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