Friedman, W. A. (2004). Birth of a salesman: The transformation of selling in America. Harvard University Press.
芝加哥风格引文Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Cambridge, MA: Harvard University Press, 2004.
MLA引文Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Harvard University Press, 2004.
警告：这些引文格式不一定是100％准确.