Twort, A. C. E. (2000). Water supply (5th ed.). Butterworth Heinmann.
Chicago Edition CitationTwort, Alan C. Etc. Water Supply. 5th ed. Oxford: Butterworth Heinmann, 2000.
Cita MLATwort, Alan C. Etc. Water Supply. 5th ed. Butterworth Heinmann, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.