Dyfyniad APA

Kumar, P. (2007). Ecology and human well being. Sage.

Dyfyniad Arddull Chicago

Kumar, Pushpam. Ecology and Human Well Being. New Delhi: Sage, 2007.

Dyfyniad MLA

Kumar, Pushpam. Ecology and Human Well Being. Sage, 2007.

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