APA引文

Northern Nigeria (Protectorate). Blue book. Printed by the Govt. Printer.

Chicago Style (17th ed.) Citation

Northern Nigeria (Protectorate). Blue Book. Lagos: Printed by the Govt. Printer.

MLA引文

Northern Nigeria (Protectorate). Blue Book. Printed by the Govt. Printer.

警告：這些引文格式不一定是100％准確.