Gnipper, S. F. (2008). Efficiency evaluation of grease traps prescribed by the Brazilian standard NBR 8160: 1999 as natural flotation basins. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído.
Dyfyniad Arddull ChicagoGnipper, Sérgio Frederico. Efficiency Evaluation of Grease Traps Prescribed By the Brazilian Standard NBR 8160: 1999 As Natural Flotation Basins. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2008.
Dyfyniad MLAGnipper, Sérgio Frederico. Efficiency Evaluation of Grease Traps Prescribed By the Brazilian Standard NBR 8160: 1999 As Natural Flotation Basins. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.