Amresh. (2011). Hand book of water and Wasterwater treament. Swastik Pub.
Dyfyniad Arddull ChicagoAmresh. Hand Book of Water and Wasterwater Treament. Delhi: Swastik Pub, 2011.
Dyfyniad MLAAmresh. Hand Book of Water and Wasterwater Treament. Swastik Pub, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.