Dyfyniad APA

Gopal Iyer K. & Roy, U. N. (2005). Watershed management and sustainable development. Kanishka Publishers.

Dyfyniad Arddull Chicago

Gopal Iyer K. and Upendra Nath Roy. Watershed Management and Sustainable Development. New Delhi: Kanishka Publishers, 2005.

Dyfyniad MLA

Gopal Iyer K. and Upendra Nath Roy. Watershed Management and Sustainable Development. Kanishka Publishers, 2005.

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