Παραπομπή APA

Arkell, A. J. (1966). History of the sudan: From the earliest times to 1821 (2nd ed.).

Παραπομπή Chicago Style

Arkell, A. J. History of the Sudan: From the Earliest Times to 1821. 2nd ed. 1966.

Παραπομπή MLA

Arkell, A. J. History of the Sudan: From the Earliest Times to 1821. 2nd ed. 1966.