Cohen, M. R. (1953). Reason and nature: An essay on the meaning of scientific method ([2nd ed.].). Free Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohen, Morris Raphael. Reason and Nature: An Essay on the Meaning of Scientific Method. [2nd ed.]. Glencoe, Ill: Free Press, 1953.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCohen, Morris Raphael. Reason and Nature: An Essay on the Meaning of Scientific Method. [2nd ed.]. Free Press, 1953.
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