Water Pollution Control Federation. (1990). Operation of municipal wastewater treatment plants (2nd ed.). Water Pollution Control Federation.
Chicago-Zitierstil (17. Ausg.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Alexandria [Virginia, EEUU]: Water Pollution Control Federation, 1990.
MLA-Zitierstil (8. Ausg.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Water Pollution Control Federation, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.