Não informado. (2001). Annual report on the Agricultural Department, Nigeria. Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Report on the Agricultural Department, Nigeria. Lagos: Department of Agriculture, 2001.
Lua MLA (8ú heag.)Não informado. Annual Report on the Agricultural Department, Nigeria. Department of Agriculture, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.