Παραπομπή APA

Hammer,Mark J. (2004). Water and waste water technology/5th ed (5th ed.). Pearson.

Παραπομπή Chicago Style

Hammer,Mark J. Water and Waste Water Technology/5th Ed. 5th ed. New Jersey: Pearson, 2004.

Παραπομπή MLA

Hammer,Mark J. Water and Waste Water Technology/5th Ed. 5th ed. Pearson, 2004.