APA (7th ed.) Zitazioa
Sakwa, R. (2014). Putin and the oligarch: The Khodorkovsky-Yukos affair. I.B.Tauris & Co. Ltd.
Chicago Style (17th ed.) Zitazioa
Sakwa, Richard. Putin and the Oligarch: The Khodorkovsky-Yukos Affair. New York, New York: I.B.Tauris & Co. Ltd, 2014.
MLA (9th ed.) Zitazioa
Sakwa, Richard. Putin and the Oligarch: The Khodorkovsky-Yukos Affair. I.B.Tauris & Co. Ltd, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.