Economic and Social Commission for Western Asia & International Center for Agricultural Research in the Dry Areas. (2003). Enhancing agricultural productivity through on-farm water-use efficiency: An empirical case study of wheat production in Iraq. United Nations.
Chicago-referens (17:e uppl.)Economic and Social Commission for Western Asia och International Center for Agricultural Research in the Dry Areas. Enhancing Agricultural Productivity Through On-farm Water-use Efficiency: An Empirical Case Study of Wheat Production in Iraq. New York: United Nations, 2003.
MLA-referens (9:e uppl.)Economic and Social Commission for Western Asia och International Center for Agricultural Research in the Dry Areas. Enhancing Agricultural Productivity Through On-farm Water-use Efficiency: An Empirical Case Study of Wheat Production in Iraq. United Nations, 2003.