Masters, G. M. (1991). Introduction to environmental engineering and science. Englewood Cliffs, NJ.: Prentice-Hall International.
Παραπομπή Chicago StyleMasters, Gilbert M. Introduction to Environmental Engineering and Science. Englewood Cliffs, NJ.: Prentice-Hall International, 1991.
Παραπομπή MLAMasters, Gilbert M. Introduction to Environmental Engineering and Science. Englewood Cliffs, NJ.: Prentice-Hall International, 1991.
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