Hoerr, J. P. (1988). And the wolf finally came: The decline of the American steel industry. Pittsburgh: University of Pittsburgh Press.
استشهاد بنمط شيكاغوHoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
MLA استشهادHoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.