Nwoga, D. I. (1984). Critical perspectives on Christopher Okigbo. Three Continents Press.
Chicagoスタイル(17版)引用形式Nwoga, Donatus Ibe. Critical Perspectives on Christopher Okigbo. Washington, D.C.: Three Continents Press, 1984.
MLA(8版)引用形式Nwoga, Donatus Ibe. Critical Perspectives on Christopher Okigbo. Three Continents Press, 1984.
警告: この引用は必ずしも正確ではありません.