Não informado. (1996). Nutrient Cycling in Agroecosystems. Kluwer Academic Publishers.
Chicago (17e ed.) BronvermeldingNão informado. Nutrient Cycling in Agroecosystems. Dordrecht, Holanda: Kluwer Academic Publishers, 1996.
MLA (8e ed.) BronvermeldingNão informado. Nutrient Cycling in Agroecosystems. Kluwer Academic Publishers, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.