APA-referens (7:e uppl.)

Davis, M. L., & Cornwell, D. A. (1991). Introduction to environmental engineering (2a. ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Davis, Mackenzie L., och David A. Cornwell. Introduction to Environmental Engineering. 2a. ed. Nueva York: McGraw-Hill, 1991.

MLA-referens (9:e uppl.)

Davis, Mackenzie L., och David A. Cornwell. Introduction to Environmental Engineering. 2a. ed. McGraw-Hill, 1991.