Dyfyniad APA

Meenakshi, P. (2012). Elements of environmental science and engineering (2nd ed.). PHI Learning.

Dyfyniad Arddull Chicago

Meenakshi, P. Elements of Environmental Science and Engineering. 2nd ed. New Delhi: PHI Learning, 2012.

Dyfyniad MLA

Meenakshi, P. Elements of Environmental Science and Engineering. 2nd ed. PHI Learning, 2012.

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