DiRenzo, G. J. (1966). Concepts, theory, and explanation in the behavioral sciences. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDiRenzo, Gordon J. Concepts, Theory, and Explanation in the Behavioral Sciences. New York: Random House, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDiRenzo, Gordon J. Concepts, Theory, and Explanation in the Behavioral Sciences. Random House, 1966.
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