Dyfyniad APA

Nelson, A., & Nelson, K. (1973). Dictionary of water and water engineering. Butterworths.

Dyfyniad Arddull Chicago

Nelson, A., and K.D Nelson. Dictionary of Water and Water Engineering. London: Butterworths, 1973.

Dyfyniad MLA

Nelson, A., and K.D Nelson. Dictionary of Water and Water Engineering. Butterworths, 1973.

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