Dyfyniad APA
Bagwell, T. (2001). Handbook of public water systems (2nd ed.). John Wiley & Sons.
Dyfyniad Arddull Chicago
Bagwell, Tony. Handbook of Public Water Systems. 2nd ed. New York: John Wiley & Sons, 2001.
Dyfyniad MLA
Bagwell, Tony. Handbook of Public Water Systems. 2nd ed. John Wiley & Sons, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.