Trivedy, R. K. (2004). Handbook of environmental laws, acts, guidelines, compliances and standards (2nd ed.). BS Publications.
Dyfyniad Arddull ChicagoTrivedy, R. K. Handbook of Environmental Laws, Acts, Guidelines, Compliances and Standards. 2nd ed. Hyderabad: BS Publications, 2004.
Dyfyniad MLATrivedy, R. K. Handbook of Environmental Laws, Acts, Guidelines, Compliances and Standards. 2nd ed. BS Publications, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.