Cita APA (7th ed.)

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.