American Public Health Association. (1981). Glossary: Water and wastewater control engineering. American Public Health Association.
Chicago-viite (17. p.)American Public Health Association. Glossary: Water and Wastewater Control Engineering. Washington, D.C: American Public Health Association, 1981.
MLA-viite (9. p.)American Public Health Association. Glossary: Water and Wastewater Control Engineering. American Public Health Association, 1981.
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