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Dyfyniad Arddull ChicagoJaswal, Paramjit S Jaswal. Environmental Law: Environment Protection , Sustainable Development and the Law. 2nd ed. New Delhi: Pioneer Publications, 2003.
Dyfyniad MLAJaswal, Paramjit S Jaswal. Environmental Law: Environment Protection , Sustainable Development and the Law. 2nd ed. Pioneer Publications, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.