APA-viite (7. p.)
ebrary, Inc, & Maddaus, W. O. (2007). Water resources planning (2nd ed.). American Water Works Association.
Chicago-viite (17. p.)
ebrary, Inc, ja William O. Maddaus. Water Resources Planning. 2nd ed. Denver, Colo.: American Water Works Association, 2007.
MLA-viite (9. p.)
ebrary, Inc, ja William O. Maddaus. Water Resources Planning. 2nd ed. American Water Works Association, 2007.
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