Dyfyniad APA

Rydzewski, J. R. (1987). irrigation development planning: An introduction for engineers. john and wiley & sons.

Dyfyniad Arddull Chicago

Rydzewski, J. R. Irrigation Development Planning: An Introduction for Engineers. london: john and wiley & sons, 1987.

Dyfyniad MLA

Rydzewski, J. R. Irrigation Development Planning: An Introduction for Engineers. john and wiley & sons, 1987.

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