Dyfyniad APA

Liu D. H. F. David & Liptak B. G. Bela. (2000). Wastewater Treatment. Boca Raton, Lewis Publishers, 2000.

Dyfyniad Arddull Chicago

Liu D. H. F. David and Liptak B. G. Bela. Wastewater Treatment. Boca Raton, Lewis Publishers, 2000, 2000.

Dyfyniad MLA

Liu D. H. F. David and Liptak B. G. Bela. Wastewater Treatment. Boca Raton, Lewis Publishers, 2000, 2000.

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