एपीए उद्धरण

Hoerr, J. P. (1988). And the wolf finally came: The decline of the American steel industry. Pittsburgh: University of Pittsburgh Press.

शिकागो स्टाइल उद्धरण

Hoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.

एमएलए उद्धरण

Hoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.