(1998). Africa review: The world of information : the economic & business report (21 ed.). Walden publishing ltd..
Citazione stile Chigago Style (17a edizione)Africa Review: The World of Information : The Economic & Business Report. 21 ed. United Kingdom: Walden publishing ltd., 1998.
Citatione MLA (9a ed.)Africa Review: The World of Information : The Economic & Business Report. 21 ed. Walden publishing ltd., 1998.