Gaya APA

Crawford, H, B, (., Fischel, D, N, , (. (1971). Water quality and treatment : a handbook of public water supplies. (1971). : New York : McGraw-Hill,.

Gaya MLA

Crawford, Harold, B., (ed)., Fischel, Daniel, N., , (ed). "Water quality and treatment : a handbook of public water supplies.". 1971 : New York : McGraw-Hill,, 1971. Text.