Viessman, W. J., Hammer, M. J., & Hammer, M. J. (1998). Water supply and pollution control (6th ed.). New York, NY.: Addison-Wesley.
Παραπομπή Chicago StyleViessman, Warren Jr., Mark J. Hammer, and Mark J. Hammer. Water Supply and Pollution Control. 6th ed. New York, NY.: Addison-Wesley, 1998.
Παραπομπή MLAViessman, Warren Jr., Mark J. Hammer, and Mark J. Hammer. Water Supply and Pollution Control. 6th ed. New York, NY.: Addison-Wesley, 1998.
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