Sindhu P. S. (2010). Environmental Chemistry (2nd.). New Age International ( P ) LTD.
Dyfyniad Arddull ChicagoSindhu P. S. Environmental Chemistry. 2nd. New Delhi: New Age International ( P ) LTD, 2010.
Dyfyniad MLASindhu P. S. Environmental Chemistry. 2nd. New Age International ( P ) LTD, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.