Water Pollution Control Federation. (1990). Operation of municipal wastewater treatment plants (2nd ed.). Water Pollution Control Federation.
Citação do estilo Chicago (17ª ed.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Alexandria [Virginia, EEUU]: Water Pollution Control Federation, 1990.
Citação MLA (8ª ed.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Water Pollution Control Federation, 1990.
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