Nigeria. Dept. of Labour. Annual report on the Department of Labour, Nigeria. Govt. Printer.
Chicagoスタイル(17版)引用形式Nigeria. Dept. of Labour. Annual Report on the Department of Labour, Nigeria. Lagos: Govt. Printer.
MLA(8版)引用形式Nigeria. Dept. of Labour. Annual Report on the Department of Labour, Nigeria. Govt. Printer.
警告: この引用は必ずしも正確ではありません.