Wittig, A. F., Ware Balogh, D., & Stein Allen, J. (1984). Study guide to accompany: Psychology : an introduction by Arno F. Wittig and Gurney Williams III. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Wittig, Arno F., Deborah Ware Balogh, e Judy Stein Allen. Study Guide to Accompany: Psychology : An Introduction by Arno F. Wittig and Gurney Williams III. New York [i pozostałe]: McGraw-Hill, 1984.
Citatione MLA (9a ed.)Wittig, Arno F., et al. Study Guide to Accompany: Psychology : An Introduction by Arno F. Wittig and Gurney Williams III. McGraw-Hill, 1984.
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