APA (7th ed.) Zitazioa
Beshir, M. O. (1968). The southern Sudan: Background to conflict. C. Hust and Co..
Chicago Style (17th ed.) Zitazioa
Beshir, Mohamed Omer. The Southern Sudan: Background to Conflict. London: C. Hust and Co., 1968.
MLA (9th ed.) Zitazioa
Beshir, Mohamed Omer. The Southern Sudan: Background to Conflict. C. Hust and Co., 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.