Não informado. (2001). Annual Report on the Department of Agricultural Research, Federation of Nigeria. Federation of Nigeria, Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Annual Report on the Department of Agricultural Research, Federation of Nigeria. Lagos: Federation of Nigeria, Department of Agriculture, 2001.
MLA(8版)引用形式Não informado. Annual Report on the Department of Agricultural Research, Federation of Nigeria. Federation of Nigeria, Department of Agriculture, 2001.
警告: この引用は必ずしも正確ではありません.