Παραπομπή APA

Hammer, M. J. (1975). Water and waste-water technology. Wiley.

Παραπομπή Chicago Style

Hammer, Mark J. Water and Waste-water Technology. New York: Wiley, 1975.

Παραπομπή MLA

Hammer, Mark J. Water and Waste-water Technology. Wiley, 1975.