TWORT, A., LAW, F., & CROWLEY, F. (1985). Water supply.-- ed.3. Edward Arnold.
Cita Chicago (17th ed.)TWORT, AC, FM LAW, i FW CROWLEY. Water Supply.-- Ed.3. London: Edward Arnold, 1985.
Cita MLA (9th ed.)TWORT, AC, et al. Water Supply.-- Ed.3. Edward Arnold, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.