Dyfyniad APA

Woodworth, R. S., & Marquis, D. G. (1949). Psychology: A Study of Mental Life (20th ed.). Methuen.

Dyfyniad Arddull Chicago

Woodworth, Robert S., and Donald G. Marquis. Psychology: A Study of Mental Life. 20th ed. London: Methuen, 1949.

Dyfyniad MLA

Woodworth, Robert S., and Donald G. Marquis. Psychology: A Study of Mental Life. 20th ed. Methuen, 1949.

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