Dyfyniad APA
Parisher, R. A., & Rhea, R. A. (2002). Pipe Drafting and Design (2nd ed.). Gulp Professional Publishing.
Dyfyniad Arddull Chicago
Parisher, Roy A., and Robert A. Rhea. Pipe Drafting and Design. 2nd ed. New Delhi: Gulp Professional Publishing, 2002.
Dyfyniad MLA
Parisher, Roy A., and Robert A. Rhea. Pipe Drafting and Design. 2nd ed. Gulp Professional Publishing, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.