Dyfyniad APA

Singh, J. k. (2004). Environmental economics and development. Deep and Deep Publishers.

Dyfyniad Arddull Chicago

Singh, Jiwitesh kumar. Environmental Economics and Development. New Delhi: Deep and Deep Publishers, 2004.

Dyfyniad MLA

Singh, Jiwitesh kumar. Environmental Economics and Development. Deep and Deep Publishers, 2004.

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