APA (7e ed.) Bronvermelding

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division & Western State (Nigeria). Ministry of Economic Planning and Reconstruction. Statistics Division. (1968). Western State of Nigeria statistical abstract. The Division.

Chicago (17e ed.) Bronvermelding

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division en Western State (Nigeria). Ministry of Economic Planning and Reconstruction. Statistics Division. Western State of Nigeria Statistical Abstract. Ibadan: The Division, 1968.

MLA (8e ed.) Bronvermelding

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division en Western State (Nigeria). Ministry of Economic Planning and Reconstruction. Statistics Division. Western State of Nigeria Statistical Abstract. The Division, 1968.