Friedman, W. A. (2004). Birth of a salesman: The transformation of selling in America. Harvard University Press.
Chicago-čujuhus (17. p.)Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Cambridge, MA: Harvard University Press, 2004.
MLA-čujuhus (9. p.)Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Harvard University Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.