APA (7e ed.) Bronvermelding

Koppen, B. C. P. v. (1998). More jobs per drop: Targeting irrigation to poor women and men. Royal Tropical Institute.

Chicago (17e ed.) Bronvermelding

Koppen, B. C. P. van. More Jobs Per Drop: Targeting Irrigation to Poor Women and Men. Amsterdam: Royal Tropical Institute, 1998.

MLA (8e ed.) Bronvermelding

Koppen, B. C. P. van. More Jobs Per Drop: Targeting Irrigation to Poor Women and Men. Royal Tropical Institute, 1998.