Não informado. (1996). Agriculture and environment for developing regions. Royal Tropical Institute.
Chicago (17e ed.) BronvermeldingNão informado. Agriculture and Environment for Developing Regions. Amsterdam: Royal Tropical Institute, 1996.
MLA (8e ed.) BronvermeldingNão informado. Agriculture and Environment for Developing Regions. Royal Tropical Institute, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.