Bello, E. G. (1980). African customary humanitarian Law. Oyez Pub. Ltd.
Lua i Stíl Chicago (17ú heag.)Bello, Emmanuel G. African Customary Humanitarian Law. Geneva: Oyez Pub. Ltd, 1980.
Lua MLA (9ú heag.)Bello, Emmanuel G. African Customary Humanitarian Law. Oyez Pub. Ltd, 1980.
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