Gaya APA

Stensel, H, D. et al (2004). Wastewater Engineerig: Treatment and Reuse fourth edition (Fourth Edition). New York: McGraw-Hill.

Gaya MLA

Stensel, H., David. et al. "Wastewater Engineerig: Treatment and Reuse fourth edition". Fourth Edition New York: McGraw-Hill, 2004. Text.