APA-ийн эшлэл(7 дахь хэвлэлт)

Warren, K. (2001). Big steel: The first century of the United States Steel Corporation, 1901-2001. University of Pittsburgh Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Warren, Kenneth. Big Steel: The First Century of the United States Steel Corporation, 1901-2001. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Warren, Kenneth. Big Steel: The First Century of the United States Steel Corporation, 1901-2001. University of Pittsburgh Press, 2001.