APA (7th ed.) Zitazioa
Nwokeabia, H. U. (2009). Why industrial revolution by-passes Africa: A knowledge system perspective. Adonis & Abbey Publishers Ltd..
Chicago Style (17th ed.) Zitazioa
Nwokeabia, Hilary U. Why Industrial Revolution By-passes Africa: A Knowledge System Perspective. London: Adonis & Abbey Publishers Ltd., 2009.
MLA (9th ed.) Zitazioa
Nwokeabia, Hilary U. Why Industrial Revolution By-passes Africa: A Knowledge System Perspective. Adonis & Abbey Publishers Ltd., 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.