Dyfyniad APA

Don, J., & Chisholm, J. (1913). Modern methods of water purification (2d rev. and enl. ed.). Longmans, Green & co.; E. Arnold.

Dyfyniad Arddull Chicago

Don, John, and John Chisholm. Modern Methods of Water Purification. 2d rev. and enl. ed. New York, London: Longmans, Green & co.; E. Arnold, 1913.

Dyfyniad MLA

Don, John, and John Chisholm. Modern Methods of Water Purification. 2d rev. and enl. ed. Longmans, Green & co.; E. Arnold, 1913.

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