Koppen, B. C. P. v. (1998). More jobs per drop: Targeting irrigation to poor women and men. Royal Tropical Institute.
Lua i Stíl Chicago (17ú heag.)Koppen, B. C. P. van. More Jobs Per Drop: Targeting Irrigation to Poor Women and Men. Amsterdam: Royal Tropical Institute, 1998.
Lua MLA (8ú heag.)Koppen, B. C. P. van. More Jobs Per Drop: Targeting Irrigation to Poor Women and Men. Royal Tropical Institute, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.