Citazione APA

O'Con, R. (2000). Welding: A management primer and employee training guide. Industrial Press.

Stile di citazione Chicago

O'Con, Robert. Welding: A Management Primer and Employee Training Guide. New York: Industrial Press, 2000.

Citazione MLA

O'Con, Robert. Welding: A Management Primer and Employee Training Guide. Industrial Press, 2000.