Citazione APA

Hammer, M. J., & Viessman, W. (1985). Water supply and pollution control (Ed.4.).

Stile di citazione Chicago

Hammer, Mark J., e Warren Viessman. Water Supply and Pollution Control. Ed.4. New York, Harpor Collins, 1985.

Citazione MLA

Hammer, Mark J., e Warren Viessman. Water Supply and Pollution Control. Ed.4. 1985.