Davis, M. L., Cornwell, D. A., Cornwell, D. A. 1., & Cornwell, D. A. (1991). Introduction to environmental engineering (2nd ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleDavis, Mackenzie L., David A. Cornwell, David A. 1948- Cornwell, and David A. Cornwell. Introduction to Environmental Engineering. 2nd ed. New York: McGraw-Hill, 1991.
Παραπομπή MLADavis, Mackenzie L., David A. Cornwell, David A. 1948- Cornwell, and David A. Cornwell. Introduction to Environmental Engineering. 2nd ed. New York: McGraw-Hill, 1991.
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