Dyfyniad APA

DAVIS, M. L. M. (2014). Principles of environmental engineering and science. McGraw-Hill.

Dyfyniad Arddull Chicago

DAVIS, Mackenzie L. Masten. Principles of Environmental Engineering and Science. McGraw-Hill, 2014.

Dyfyniad MLA

DAVIS, Mackenzie L. Masten. Principles of Environmental Engineering and Science. McGraw-Hill, 2014.

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