Nwoga, D. I. (1984). Critical perspectives on Christopher Okigbo. Three Continents Press.
Chicago Style aipamenaNwoga, Donatus Ibe. Critical Perspectives on Christopher Okigbo. Washington, D.C.: Three Continents Press, 1984.
MLA aipamenaNwoga, Donatus Ibe. Critical Perspectives on Christopher Okigbo. Three Continents Press, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.