Παραπομπή APA

Hammer, M. J. (1986). Water and waste water technology / 2nd ed (2nd ed.). Wiley.

Παραπομπή Chicago Style

Hammer, Mark J. Water and Waste Water Technology / 2nd Ed. 2nd ed. New York: Wiley, 1986.

Παραπομπή MLA

Hammer, Mark J. Water and Waste Water Technology / 2nd Ed. 2nd ed. Wiley, 1986.