Strecker, E. A., & Appel, K. E. (1958). Discovering ourselves: A view of the human mind and how it works (3rd ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Strecker, Edward Adam, agus Kenneth E. Appel. Discovering Ourselves: A View of the Human Mind and How It Works. 3rd ed. New York: Macmillan, 1958.
Lua MLA (9ú heag.)Strecker, Edward Adam, agus Kenneth E. Appel. Discovering Ourselves: A View of the Human Mind and How It Works. 3rd ed. Macmillan, 1958.
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