Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. (1967). Western State of Nigeria statistical bulletin. The Division.
Chicagoスタイル(17版)引用形式Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. Western State of Nigeria Statistical Bulletin. Ibadan: The Division, 1967.
MLA(8版)引用形式Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. Western State of Nigeria Statistical Bulletin. The Division, 1967.
警告: この引用は必ずしも正確ではありません.