Nigeria. Dept. of Labour. Annual report on the Department of Labour, Nigeria. Govt. Printer.
Lua i Stíl Chicago (17ú heag.)Nigeria. Dept. of Labour. Annual Report on the Department of Labour, Nigeria. Lagos: Govt. Printer.
Lua MLA (8ú heag.)Nigeria. Dept. of Labour. Annual Report on the Department of Labour, Nigeria. Govt. Printer.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.