Cita APA (7th ed.)
Parisher, R. A., & Rhea, R. A. (2002). Pipe Drafting and Design (2nd ed.). Gulp Professional Publishing.
Cita Chicago (17th ed.)
Parisher, Roy A., i Robert A. Rhea. Pipe Drafting and Design. 2nd ed. New Delhi: Gulp Professional Publishing, 2002.
Cita MLA (9th ed.)
Parisher, Roy A., i Robert A. Rhea. Pipe Drafting and Design. 2nd ed. Gulp Professional Publishing, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.