Gaya APA

Snellen, W., Brouwer, C. (1993). Irrigation Water Management : Stucture for Water Control and Distribution . Italia: Food and Agriculture Organizaion of United Nations.

Gaya MLA

Snellen, W.B., Brouwer, C. "Irrigation Water Management : Stucture for Water Control and Distribution". Italia: Food and Agriculture Organizaion of United Nations, 1993. Text.