APA (7th ed.) Zitazioa
Prasad, R. (1998). Petroleum: Refining Technology. Khanna Publishers.
Chicago Style (17th ed.) Zitazioa
Prasad, Ram. Petroleum: Refining Technology. New Delhi: Khanna Publishers, 1998.
MLA (9th ed.) Zitazioa
Prasad, Ram. Petroleum: Refining Technology. Khanna Publishers, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.