APA
Davis R., Rafik Hirji, . (2003). Irrigation and drainage. Washington D.C: The World Bank.
Chicago
Davis Richard, Rafik Hirji, . 2003. Irrigation and drainage. Washington D.C: The World Bank.
Harvard
Davis R., Rafik Hirji, . (2003). Irrigation and drainage. Washington D.C: The World Bank.
MLA
Davis Richard, Rafik Hirji, . Irrigation and drainage. Washington D.C: The World Bank. 2003.