American Public Health Association, American Water Works Association, & Water Environment Federation. (2017). Standard methods for the examination of water and wastewater (23rd edition.). American Public Health Association.
Chicago-referens (17:e uppl.)American Public Health Association, American Water Works Association, och Water Environment Federation. Standard Methods for the Examination of Water and Wastewater. 23rd edition. Washington, D.C: American Public Health Association, 2017.
MLA-referens (9:e uppl.)American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 23rd edition. American Public Health Association, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.