World Health Organization. (2011). WHO expert committee on biological standardization. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. WHO Expert Committee on Biological Standardization. Geneva, Switzerland: World Health Organization, 2011.
MLA-referens (8:e uppl.)World Health Organization. WHO Expert Committee on Biological Standardization. World Health Organization, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.