Friedman, W. A. (2004). Birth of a salesman: The transformation of selling in America. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Cambridge, MA: Harvard University Press, 2004.
Lua MLA (9ú heag.)Friedman, Walter A. Birth of a Salesman: The Transformation of Selling in America. Harvard University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.