Παραπομπή APA

Metcalf & Eddy , I. (2003). Waste water engineering: Treatment and reuse (4th ed.). Tata McGraw - Hill.

Παραπομπή Chicago Style

Metcalf & Eddy , Inc. Waste Water Engineering: Treatment and Reuse. 4th ed. New Delhi: Tata McGraw - Hill, 2003.

Παραπομπή MLA

Metcalf & Eddy , Inc. Waste Water Engineering: Treatment and Reuse. 4th ed. Tata McGraw - Hill, 2003.