APA (7th ed.) Zitazioa
Noonan, S. (2011). Progressing cavity pumps. Society of Petroleum Engineers.
Chicago Style (17th ed.) Zitazioa
Noonan, Shauna. Progressing Cavity Pumps. Richardson, TX: Society of Petroleum Engineers, 2011.
MLA (9th ed.) Zitazioa
Noonan, Shauna. Progressing Cavity Pumps. Society of Petroleum Engineers, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.