Uberoi, N., & Biswas, D. (2003). Environmental management (2ne ed.). Excel books.
Dyfyniad Arddull ChicagoUberoi, N.K, and Dilip Biswas. Environmental Management. 2ne ed. New Delhi: Excel books, 2003.
Dyfyniad MLAUberoi, N.K, and Dilip Biswas. Environmental Management. 2ne ed. Excel books, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.