Dyfyniad APA

SHUMAKER, T. M. (2004). Process pipe drafting. The Goodheart-Willcox Company.

Dyfyniad Arddull Chicago

SHUMAKER, Terence M. Process Pipe Drafting. Illinois: The Goodheart-Willcox Company, 2004.

Dyfyniad MLA

SHUMAKER, Terence M. Process Pipe Drafting. The Goodheart-Willcox Company, 2004.

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