APA aipamena

DAVIS, M. L., & CORNWELL, D. A. (1991). Introduction to environmental engineering.-- ed.2. McGraw-Hill Inc.

Chicago Style aipamena

DAVIS, Mackenzie L., and David A. CORNWELL. Introduction to Environmental Engineering.-- Ed.2. New York: McGraw-Hill Inc, 1991.

MLA aipamena

DAVIS, Mackenzie L., and David A. CORNWELL. Introduction to Environmental Engineering.-- Ed.2. McGraw-Hill Inc, 1991.