American Water Works Association. (1971). Water quality and treatment: A handbook of public water supplies (3d ed.). McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Water Works Association. Water Quality and Treatment: A Handbook of Public Water Supplies. 3d ed. New York: McGraw-Hill, 1971.
Παραπομπή σε μορφή MLA (9th εκδ.)American Water Works Association. Water Quality and Treatment: A Handbook of Public Water Supplies. 3d ed. McGraw-Hill, 1971.
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