Dyfyniad APA

Krishnamoorthy Bala. (2017). Environmental Management (3rd ed.). PHI Learning Pvt. Ltd.

Dyfyniad Arddull Chicago

Krishnamoorthy Bala. Environmental Management. 3rd ed. New Delhi: PHI Learning Pvt. Ltd, 2017.

Dyfyniad MLA

Krishnamoorthy Bala. Environmental Management. 3rd ed. PHI Learning Pvt. Ltd, 2017.

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