Hillel, D. (1987). The efficient use of water in irrigation: Principles and practices for improving irrigation in Arid and Semiarid regions. World Bank.
Chicago Style aipamenaHillel, Daniel. The Efficient Use of Water in Irrigation: Principles and Practices for Improving Irrigation in Arid and Semiarid Regions. Washington: World Bank, 1987.
MLA aipamenaHillel, Daniel. The Efficient Use of Water in Irrigation: Principles and Practices for Improving Irrigation in Arid and Semiarid Regions. World Bank, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.