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