(1998). Africa review: The world of information : the economic & business report (21 ed.). Walden publishing ltd..
Chicagoスタイル(17版)引用形式Africa Review: The World of Information : The Economic & Business Report. 21 ed. United Kingdom: Walden publishing ltd., 1998.
MLA(9版)引用形式Africa Review: The World of Information : The Economic & Business Report. 21 ed. Walden publishing ltd., 1998.
警告: この引用は必ずしも正確ではありません.