Dyfyniad APA
O'Connor, J. T., O'Connor, T., & Twait, R. (2009). Water treatment plant performance evaluations and operations. Wiley.
Dyfyniad Arddull Chicago
O'Connor, John T., Tom O'Connor, and Rick Twait. Water Treatment Plant Performance Evaluations and Operations. Hoboken, N.J.: Wiley, 2009.
Dyfyniad MLA
O'Connor, John T., 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.