APA-viite (7. p.)
Liu, C. (2012). Integrity testing for low-pressure membranes. American Water Works Association.
Chicago-viite (17. p.)
Liu, Charles. Integrity Testing for Low-pressure Membranes. Denver, Colo.: American Water Works Association, 2012.
MLA-viite (9. p.)
Liu, Charles. Integrity Testing for Low-pressure Membranes. American Water Works Association, 2012.
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