Dyfyniad APA

Kiely, G. (2007). Environmental engineering. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Kiely, Gerard. Environmental Engineering. New Delhi: Tata McGraw-Hill, 2007.

Dyfyniad MLA

Kiely, Gerard. Environmental Engineering. Tata McGraw-Hill, 2007.

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