Cita APA

Twort, A. C. E. (2000). Water supply (5th ed.). Butterworth Heinmann.

Chicago Edition Citation

Twort, Alan C. Etc. Water Supply. 5th ed. Oxford: Butterworth Heinmann, 2000.

Cita MLA

Twort, Alan C. Etc. Water Supply. 5th ed. Butterworth Heinmann, 2000.