Ogden, C. (1944). The ABC of Psychology. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Ogden, C.K. The ABC of Psychology. Harmondsworth; New York: Penguin Books, 1944.
Lua MLA (8ú heag.)Ogden, C.K. The ABC of Psychology. Penguin Books, 1944.
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