Hillel, D. (1987). The efficient use of water in irrigation: Principles and practices for improving irrigation in arid and semiarid regions. World Bank.
Chicago-referens (17:e uppl.)Hillel, Daniel. The Efficient Use of Water in Irrigation: Principles and Practices for Improving Irrigation in Arid and Semiarid Regions. Washington, D.C.: World Bank, 1987.
MLA-referens (9:e uppl.)Hillel, Daniel. The Efficient Use of Water in Irrigation: Principles and Practices for Improving Irrigation in Arid and Semiarid Regions. World Bank, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.