Παραπομπή APA

Kardiner, A., & Preble, E. (1961). They studied man. Cleveland: World Publishing Company.

Παραπομπή Chicago Style

Kardiner, Abram, and Edward Preble. They Studied Man. Cleveland: World Publishing Company, 1961.

Παραπομπή MLA

Kardiner, Abram, and Edward Preble. They Studied Man. Cleveland: World Publishing Company, 1961.

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