APA-ийн эшлэл(7 дахь хэвлэлт)

Mcdonald Duff. (2013). firm: The story of McKinsey and its secret influence on American business. Simon & Schuster.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Mcdonald Duff. Firm: The Story of McKinsey and Its Secret Influence on American Business. New York: Simon & Schuster, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Mcdonald Duff. Firm: The Story of McKinsey and Its Secret Influence on American Business. Simon & Schuster, 2013.