Northern Nigeria (Nigeria). Ministry of Health. Annual report of the Ministry of Health, Northern Nigeria. Govt. Printer.
Chicago Style (17th ed.) CitationNorthern Nigeria (Nigeria). Ministry of Health. Annual Report of the Ministry of Health, Northern Nigeria. Kaduna: Govt. Printer.
Cita MLANorthern Nigeria (Nigeria). Ministry of Health. Annual Report of the Ministry of Health, Northern Nigeria. Govt. Printer.
Atenció: Aquestes cites poden no estar 100% correctes.