Friedman, W. A. (2004). Birth of a salesman: The transformation of selling in America. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Cambridge, MA: Harvard University Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFriedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Harvard University Press, 2004.
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