Dyfyniad APA

Arvind Kumar, . . .. (2004). Environment management. A P H Publishers Corporation.

Dyfyniad Arddull Chicago

Arvind Kumar,. Environment Management. New Delhi: A P H Publishers Corporation, 2004.

Dyfyniad MLA

Arvind Kumar,. Environment Management. A P H Publishers Corporation, 2004.

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