Dyfyniad APA

Marx, M. H. A., & Hillix, W. A. (1963). System and theories is psychology.

Dyfyniad Arddull Chicago

Marx, Melvin H. And, and William A. Hillix. System and Theories Is Psychology. 1963.

Dyfyniad MLA

Marx, Melvin H. And, and William A. Hillix. System and Theories Is Psychology. 1963.

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