Mcdonald Duff. (2013). firm: The story of McKinsey and its secret influence on American business. Simon & Schuster.
Chicago-referens (17:e uppl.)Mcdonald Duff. Firm: The Story of McKinsey and Its Secret Influence on American Business. New York: Simon & Schuster, 2013.
MLA-referens (9:e uppl.)Mcdonald Duff. Firm: The Story of McKinsey and Its Secret Influence on American Business. Simon & Schuster, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.