World Health Organization. Rapid assessment of drinking-water quality , a handbook for implementation.
Chicago-referens (17:e uppl.)World Health Organization. Rapid Assessment of Drinking-water Quality , a Handbook for Implementation.
MLA-referens (9:e uppl.)World Health Organization. Rapid Assessment of Drinking-water Quality , a Handbook for Implementation.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.