APA (7th ed.) Zitazioa
Combs, A. W. (1999). Being and becoming: A field approach to psychology. Springer Pub. Co..
Chicago Style (17th ed.) Zitazioa
Combs, Arthur W. Being and Becoming: A Field Approach to Psychology. New York: Springer Pub. Co., 1999.
MLA (9th ed.) Zitazioa
Combs, Arthur W. Being and Becoming: A Field Approach to Psychology. Springer Pub. Co., 1999.
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