Falls, H. . B. (1970). Foundations of conditioning. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFalls, Harold B. Foundations of Conditioning. New York: Academic Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFalls, Harold B. Foundations of Conditioning. Academic Press, 1970.
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