توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Okonkwo, O. (2011). Inter-partner learning in asymmetric alliances between foreign and indigenous companies in the Nigerian oil industry. Lang.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Okonkwo, Okechukwu. Inter-partner Learning in Asymmetric Alliances Between Foreign and Indigenous Companies in the Nigerian Oil Industry. Frankfurt am Main: Lang, 2011.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Okonkwo, Okechukwu. Inter-partner Learning in Asymmetric Alliances Between Foreign and Indigenous Companies in the Nigerian Oil Industry. Lang, 2011.