Cita APA (7th ed.)

(1998). Africa review: The world of information : the economic & business report (21 ed.). Walden publishing ltd..

Cita Chicago (17th ed.)

Africa Review: The World of Information : The Economic & Business Report. 21 ed. United Kingdom: Walden publishing ltd., 1998.

Cita MLA (9th ed.)

Africa Review: The World of Information : The Economic & Business Report. 21 ed. Walden publishing ltd., 1998.

Atenció: Aquestes cites poden no estar 100% correctes.