Lua APA (7ú heag.)

Hurlock, E. B. (1956). Child development. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Hurlock, Elizabeth Bergner. Child Development. New York: McGraw-Hill, 1956.

Lua MLA (9ú heag.)

Hurlock, Elizabeth Bergner. Child Development. McGraw-Hill, 1956.

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