Não informado. (2001). Annual report on the Agricultural Department, Nigeria. Department of Agriculture.
Čikaški stil citiranja (17. izdanje)Não informado. Annual Report on the Agricultural Department, Nigeria. Lagos: Department of Agriculture, 2001.
MLA način citiranja (8. izdanje)Não informado. Annual Report on the Agricultural Department, Nigeria. Department of Agriculture, 2001.
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