APA-referens (7:e uppl.)

Wills, A. J. (1967). An introduction to the history of Central Africa (2nd ed.). Oxford U.P.

Chicago-referens (17:e uppl.)

Wills, A. J. An Introduction to the History of Central Africa. 2nd ed. London: Oxford U.P, 1967.

MLA-referens (9:e uppl.)

Wills, A. J. An Introduction to the History of Central Africa. 2nd ed. Oxford U.P, 1967.