APA način citiranja (7. izdanje)
Nwokeabia, H. U. (2009). Why industrial revolution by-passes Africa: A knowledge system perspective. Adonis & Abbey Publishers Ltd..
Čikaški stil citiranja (17. izdanje)
Nwokeabia, Hilary U. Why Industrial Revolution By-passes Africa: A Knowledge System Perspective. London: Adonis & Abbey Publishers Ltd., 2009.
MLA način citiranja (9. izdanje)
Nwokeabia, Hilary U. Why Industrial Revolution By-passes Africa: A Knowledge System Perspective. Adonis & Abbey Publishers Ltd., 2009.
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