Cheremisinoff, P. N. (1994). Biomanagement of Wastewater and Wastes. Prentice-Hall of India.
Dyfyniad Arddull ChicagoCheremisinoff, Paul. N. Biomanagement of Wastewater and Wastes. Englewood Cliffs: PTR: Prentice-Hall of India, 1994.
Dyfyniad MLACheremisinoff, Paul. N. Biomanagement of Wastewater and Wastes. Prentice-Hall of India, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.