Dyfyniad APA
Waller, P., & Yitayew,Mulunrh. (2016). Irrigation and drainage engineering. Springer.
Dyfyniad Arddull Chicago
Waller, Peter, and Yitayew,Mulunrh. Irrigation and Drainage Engineering. New York: Springer, 2016.
Dyfyniad MLA
Waller, Peter, and Yitayew,Mulunrh. Irrigation and Drainage Engineering. Springer, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.