Lua APA (7ú heag.)
Davis, M. L., & Cornwell, D. A. (1998). Introduction to environmental engineering (3rd ed.). WCB McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Davis, Mackenzie Leo, agus David A. Cornwell. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.
Lua MLA (9ú heag.)
Davis, Mackenzie Leo, agus David A. Cornwell. Introduction to Environmental Engineering. 3rd ed. WCB McGraw-Hill, 1998.
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