Hoerr, J. P. (1988). And the wolf finally came: The decline of the American steel industry. Pittsburgh: University of Pittsburgh Press.
Trích dẫn kiểu ChicagoHoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
MLA引文Hoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
警告：這些引文格式不一定是100％准確.