Davis, M. L. 1. (1998). Introduction to environmental engineering (3rd ed.). Boston, Mass.: WCB McGraw-Hill.
Chicago Style aipamenaDavis, Mackenzie L. 1941-. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.
MLA aipamenaDavis, Mackenzie L. 1941-. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.