Dyfyniad APA

Sperling, A. P. (1957). Psychology made simple: A comprehensive course for ... Doubleday & Co..

Dyfyniad Arddull Chicago

Sperling, Abraham P. Psychology Made Simple: A Comprehensive Course for ... Garden City: Doubleday & Co., 1957.

Dyfyniad MLA

Sperling, Abraham P. Psychology Made Simple: A Comprehensive Course for ... Doubleday & Co., 1957.

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