Não informado. (2001). Annual report on the Agricultural Department, Nigeria. Department of Agriculture.
Chicago (17e ed.) BronvermeldingNão informado. Annual Report on the Agricultural Department, Nigeria. Lagos: Department of Agriculture, 2001.
MLA (8e ed.) BronvermeldingNão informado. Annual Report on the Agricultural Department, Nigeria. Department of Agriculture, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.