Dyfyniad APA

Smethurst, G. (1988). Basic water treatment for application world-wide (2a. ed.). Thomas Telford.

Dyfyniad Arddull Chicago

Smethurst, George. Basic Water Treatment for Application World-wide. 2a. ed. Londres: Thomas Telford, 1988.

Dyfyniad MLA

Smethurst, George. Basic Water Treatment for Application World-wide. 2a. ed. Thomas Telford, 1988.

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