Gaya APA

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

Gaya MLA

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