Joel, A. (2000). Surface runoff: A water source for poor farming communities in drylands. Swedish University of Agricultural Sciences.
Chicago-Zitierstil (17. Ausg.)Joel, Abraham. Surface Runoff: A Water Source for Poor Farming Communities in Drylands. Uppsala: Swedish University of Agricultural Sciences, 2000.
MLA-Zitierstil (8. Ausg.)Joel, Abraham. Surface Runoff: A Water Source for Poor Farming Communities in Drylands. Swedish University of Agricultural Sciences, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.