Dyfyniad APA

O'Connor, J., O'Connor, T., & Twait, R. (2009). Water treatment plant performance evaluations and operations. Wiley.

Dyfyniad Arddull Chicago

O'Connor, John., Timothy O'Connor, and Rick Twait. Water Treatment Plant Performance Evaluations and Operations. Hoboken, N.J: Wiley, 2009.

Dyfyniad MLA

O'Connor, John., et al. Water Treatment Plant Performance Evaluations and Operations. Wiley, 2009.

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