Holt, P. M., & Daly, M. W. (1988). A history of the Sudan: From the coming of Islam to the present day (4th ed.). Longman.
Цитирование в стиле Чикаго (17-е изд.)Holt, P. M., и Martin W. Daly. A History of the Sudan: From the Coming of Islam to the Present Day. 4th ed. London [u.a.]: Longman, 1988.
Цитирование MLA (8-е изд.)Holt, P. M., и Martin W. Daly. A History of the Sudan: From the Coming of Islam to the Present Day. 4th ed. Longman, 1988.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.