APA

Beshir M. O., . (1968). The Southern Sudan. London: C. Hurst and co.

Chicago

Beshir Mohamed Omer, . 1968. The Southern Sudan. London: C. Hurst and co.

Harvard

Beshir M. O., . (1968). The Southern Sudan. London: C. Hurst and co.

MLA

Beshir Mohamed Omer, . The Southern Sudan. London: C. Hurst and co. 1968.