APA引文

Northern Region of Nigeria (Nigeria). Public Works Dept. Annual report on the Public works Department of the Northern Region of Nigeria. Govt. Printer.

Chicago Style (17th ed.) Citation

Northern Region of Nigeria (Nigeria). Public Works Dept. Annual Report on the Public Works Department of the Northern Region of Nigeria. Kaduna: Govt. Printer.

MLA引文

Northern Region of Nigeria (Nigeria). Public Works Dept. Annual Report on the Public Works Department of the Northern Region of Nigeria. Govt. Printer.

警告：这些引文格式不一定是100％准确.