APA (7th ed.) Zitazioa
Roxburgh, A. (2012). The strongman: Vladimir Putin and the struggle for Russia. I.B. Tauris.
Chicago Style (17th ed.) Zitazioa
Roxburgh, Angus. The Strongman: Vladimir Putin and the Struggle for Russia. London: I.B. Tauris, 2012.
MLA (9th ed.) Zitazioa
Roxburgh, Angus. The Strongman: Vladimir Putin and the Struggle for Russia. I.B. Tauris, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.