Crow, L. (1968). An outline of general psychology. Littlefield, Admas & Co.
Lua i Stíl Chicago (17ú heag.)Crow, Lester. An Outline of General Psychology. Totowa, New Jersey: Littlefield, Admas & Co, 1968.
Lua MLA (9ú heag.)Crow, Lester. An Outline of General Psychology. Littlefield, Admas & Co, 1968.
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