Underwood, B. J. (1957). Psychological research. Appleton-Century-Crofts.
Chicago Edition CitationUnderwood, Benton J. Psychological Research. New York: Appleton-Century-Crofts, 1957.
Deismireacht MLAUnderwood, Benton J. Psychological Research. Appleton-Century-Crofts, 1957.
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