APA-viite (7. p.)
Pizzi, N. G. (2010). Water treatment plant residuals field guide. American Water Works Association.
Chicago-viite (17. p.)
Pizzi, Nicholas G. Water Treatment Plant Residuals Field Guide. Denver, Colo.: American Water Works Association, 2010.
MLA-viite (9. p.)
Pizzi, Nicholas G. Water Treatment Plant Residuals Field Guide. American Water Works Association, 2010.
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