Letterman, R. D. (1999). Water quality and treatment: A handbook of community water supplies. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoLetterman, Raymond D. Water Quality and Treatment: A Handbook of Community Water Supplies. New York: McGraw-Hill, 1999.
ציטוט MLALetterman, Raymond D. Water Quality and Treatment: A Handbook of Community Water Supplies. New York: McGraw-Hill, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.