Dyfyniad APA

Peavy, H. S. (2019). Environmental Engineering (15th.). Mc Graw Hill Education Pvt. Ltd.

Dyfyniad Arddull Chicago

Peavy, Howard S. Environmental Engineering. 15th. Chennai: Mc Graw Hill Education Pvt. Ltd, 2019.

Dyfyniad MLA

Peavy, Howard S. Environmental Engineering. 15th. Mc Graw Hill Education Pvt. Ltd, 2019.

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