Dyfyniad APA

Khanna,D R, Chopra,A K, Vikas Singh, & Bhutiani,R. (2013). Environmental Management. Daya.

Dyfyniad Arddull Chicago

Khanna,D R, Chopra,A K, Vikas Singh, and Bhutiani,R. Environmental Management. New Delhi: Daya, 2013.

Dyfyniad MLA

Khanna,D R, et al. Environmental Management. Daya, 2013.

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