APA Style

Shekha, Y, A. (2008). The effect of Erbil city wastewater discharge on water quality of Greater Zab river, and the risks of irrigation . : .

MLA Style

Shekha, Yahya, Ahmed. "The effect of Erbil city wastewater discharge on water quality of Greater Zab river, and the risks of irrigation". : , 2008. PHD.