Dyfyniad APA

Northern Nigeria (Nigeria). Ministry of Health. Annual report of the Ministry of Health, Northern Nigeria. Govt. Printer.

Dyfyniad Arddull Chicago

Northern Nigeria (Nigeria). Ministry of Health. Annual Report of the Ministry of Health, Northern Nigeria. Kaduna: Govt. Printer.

Dyfyniad MLA

Northern Nigeria (Nigeria). Ministry of Health. Annual Report of the Ministry of Health, Northern Nigeria. Govt. Printer.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.