SHUMAKER, T. M. (2004). Process pipe drafting. The Goodheart-Willcox Company.
Chicago Style aipamenaSHUMAKER, Terence M. Process Pipe Drafting. Illinois: The Goodheart-Willcox Company, 2004.
MLA aipamenaSHUMAKER, Terence M. Process Pipe Drafting. The Goodheart-Willcox Company, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.