Twort, A., & Law, F. C. F. (1985). Water Supply (3rd.).
Chicago Edition CitationTwort, A.C, i F.M. Crowley. F.W Law. Water Supply. 3rd. New Delhi, 1985.
Cita MLATwort, A.C, i F.M. Crowley. F.W Law. Water Supply. 3rd. 1985.
Atenció: Aquestes cites poden no estar 100% correctes.