APA (7th ed.) Zitazioa
Enikeev, V. (1970). Practical aid for oil well operators. Mir Publishers.
Chicago Style (17th ed.) Zitazioa
Enikeev, V. Practical Aid for Oil Well Operators. Moscow: Mir Publishers, 1970.
MLA (9th ed.) Zitazioa
Enikeev, V. Practical Aid for Oil Well Operators. Mir Publishers, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.