Dyfyniad APA
Wrench, D. F. (1969). Psychology: A Social approach. McGraw-Hill Book.
Dyfyniad Arddull Chicago
Wrench, David F. Psychology: A Social Approach. New York: McGraw-Hill Book, 1969.
Dyfyniad MLA
Wrench, David F. Psychology: A Social Approach. McGraw-Hill Book, 1969.
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