Townsend, J. C. (1953). Introduction to experimental method: For psychology and the social science. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTownsend, John C. Introduction to Experimental Method: For Psychology and the Social Science. McGraw-Hill, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTownsend, John C. Introduction to Experimental Method: For Psychology and the Social Science. McGraw-Hill, 1953.
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