Dyfyniad APA

(1951). Psychological theory: Contemporary readings. New York: The Macmillan Company.

Dyfyniad Arddull Chicago

Psychological Theory: Contemporary Readings. New York: The Macmillan Company, 1951.

Dyfyniad MLA

Psychological Theory: Contemporary Readings. New York: The Macmillan Company, 1951.

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