Gaya APA

Bowditch, W, A., Bowditch, K, E. (1989). Laboratory Manual For Modern Welding (--). South Holland, IIlinois: The Goodheart-Willox Company,Inc.

Gaya MLA

Bowditch, William, A.., Bowditch, Kevin, E.. "Laboratory Manual For Modern Welding". -- South Holland, IIlinois: The Goodheart-Willox Company,Inc, 1989. Text.