American water works association. (1971). Water quality and treatment: : 3rd ed (3rd ed.). Mc Graw- Hill.
Chicago Style citaatAmerican water works association. Water Quality and Treatment: : 3rd Ed. 3rd ed. New York: Mc Graw- Hill, 1971.
MLA citatieAmerican water works association. Water Quality and Treatment: : 3rd Ed. 3rd ed. Mc Graw- Hill, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.