Hogan, W. T. (1983). World steel in the 1980s. Toronto: Lexington.
Chicago Style CitationHogan, William T. World Steel in the 1980s. Toronto: Lexington, 1983.
Cita MLAHogan, William T. World Steel in the 1980s. Toronto: Lexington, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.