Masters, G. M. (1998). Introduction to environmental engineering and science (2nd ed.). Upper Saddle River, NJ.: Prentice-Hall International, Inc.
Παραπομπή Chicago StyleMasters, Gilbert M. Introduction to Environmental Engineering and Science. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall International, Inc, 1998.
Παραπομπή MLAMasters, Gilbert M. Introduction to Environmental Engineering and Science. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall International, Inc, 1998.
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