Viessman, W., & Hammer, M. J. (1998). Water supply and pollution control (6th.ed.). Addison-Wesley.
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Chicago-čujuhus (17. p.)
Viessman, Warren, juo Mark J. Hammer. Water Supply and Pollution Control. 6th.ed. Menlo Park: Addison-Wesley, 1998.
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MLA-čujuhus (9. p.)
Viessman, Warren, juo Mark J. Hammer. Water Supply and Pollution Control. 6th.ed. Addison-Wesley, 1998.
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