एपीए उद्धरण

Davis, M. L. 1. (1998). Introduction to environmental engineering (3rd ed.). Boston, Mass.: WCB McGraw-Hill.

शिकागो स्टाइल उद्धरण

Davis, Mackenzie L. 1941-. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.

एमएलए उद्धरण

Davis, Mackenzie L. 1941-. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.