Eckenfelder, W. W. (1989). Industrial water pollution control (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleEckenfelder, W. Wesley. Industrial Water Pollution Control. 2nd ed. New York: McGraw-Hill Book Company, 1989.
Παραπομπή MLAEckenfelder, W. Wesley. Industrial Water Pollution Control. 2nd ed. New York: McGraw-Hill Book Company, 1989.
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