Dyfyniad APA

Benefield, L. D. (1980). Biological Process Design For Wastewater Treatment. Prentice Hall.

Dyfyniad Arddull Chicago

Benefield, Larry D. Biological Process Design For Wastewater Treatment. Prentice Hall, 1980.

Dyfyniad MLA

Benefield, Larry D. Biological Process Design For Wastewater Treatment. Prentice Hall, 1980.

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