Dyfyniad APA

George Smethurst. (1988). Basic water treatment for application world-wide. London: ThomasTelford.

Dyfyniad Arddull Chicago

George Smethurst. Basic Water Treatment for Application World-wide. London: ThomasTelford, 1988.

Dyfyniad MLA

George Smethurst. Basic Water Treatment for Application World-wide. London: ThomasTelford, 1988.

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