APA-referens (7:e uppl.)
Liu, C. (2012). Integrity testing for low-pressure membranes. American Water Works Association.
Chicago-referens (17:e uppl.)
Liu, Charles. Integrity Testing for Low-pressure Membranes. Denver, Colo.: American Water Works Association, 2012.
MLA-referens (9:e uppl.)
Liu, Charles. Integrity Testing for Low-pressure Membranes. American Water Works Association, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.