TWORT, A., LAW, F., & CROWLEY, F. (1985). Water supply.-- ed.3. Edward Arnold.
Chicago Style aipamenaTWORT, AC, FM LAW, and FW CROWLEY. Water Supply.-- Ed.3. London: Edward Arnold, 1985.
MLA aipamenaTWORT, AC, et al. Water Supply.-- Ed.3. Edward Arnold, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.