(1993). Biological monitoring of aquatic systems. Boca Raton, FL: Lewis Publishing.
Dyfyniad Arddull ChicagoBiological Monitoring of Aquatic Systems. Boca Raton, FL: Lewis Publishing, 1993.
Dyfyniad MLABiological Monitoring of Aquatic Systems. Boca Raton, FL: Lewis Publishing, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.