APA (7 ম সংস্করণ) উদ্ধৃতি

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. (1967). Western State of Nigeria statistical bulletin. The Division.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. Western State of Nigeria Statistical Bulletin. Ibadan: The Division, 1967.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Western State (Nigeria). Ministry of Economic Planning and Social Development. Statistics Division. Western State of Nigeria Statistical Bulletin. The Division, 1967.