Dyfyniad APA

Droste, R. L. (1997). Theory and practice of water and wastewater treatment. New York: J. Wiley.

Dyfyniad Arddull Chicago

Droste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: J. Wiley, 1997.

Dyfyniad MLA

Droste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: J. Wiley, 1997.

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