Dyfyniad APA

Krisha De , A. (1998). Sustainable development and environment. Cosmo Publications.

Dyfyniad Arddull Chicago

Krisha De , Amit. Sustainable Development and Environment. New Delhi: Cosmo Publications, 1998.

Dyfyniad MLA

Krisha De , Amit. Sustainable Development and Environment. Cosmo Publications, 1998.

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