Dyfyniad APA

FAO. (2001). Improving the operation of canal irrigation systems. [Rome]: FAO.

Dyfyniad Arddull Chicago

FAO. Improving the Operation of Canal Irrigation Systems. [Rome]: FAO, 2001.

Dyfyniad MLA

FAO. Improving the Operation of Canal Irrigation Systems. [Rome]: FAO, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.