Dyfyniad APA

Metcalf & Eddy, Inc, & Tchobanoglous, G. (2014). Wastewater engineering: Treatment and resource recovery (Fifth edition.). McGraw Hill.

Dyfyniad Arddull Chicago

Metcalf & Eddy, Inc, and George Tchobanoglous. Wastewater Engineering: Treatment and Resource Recovery. Fifth edition. New York: McGraw Hill, 2014.

Dyfyniad MLA

Metcalf & Eddy, Inc, and George Tchobanoglous. Wastewater Engineering: Treatment and Resource Recovery. Fifth edition. McGraw Hill, 2014.

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