Dyfyniad APA

Singh, M. (1989). Environmental changes and development. Chaugh.

Dyfyniad Arddull Chicago

Singh, M. Environmental Changes and Development. Allahabad: Chaugh, 1989.

Dyfyniad MLA

Singh, M. Environmental Changes and Development. Chaugh, 1989.

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