APA-referens (7:e uppl.)

Davis, M. L. (2008). Introduction to environmental engineering (4t ed.). McGraw-Hill Companies.

Chicago-referens (17:e uppl.)

Davis, Mackenzie L. Introduction to Environmental Engineering. 4t ed. Dubuque, IA: McGraw-Hill Companies, 2008.

MLA-referens (9:e uppl.)

Davis, Mackenzie L. Introduction to Environmental Engineering. 4t ed. McGraw-Hill Companies, 2008.