World Health Organization & World Health Organization. (2005). National policy on traditional medicine and regulation of herbal medicines: Report of a WHO global survey. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization och World Health Organization. National Policy on Traditional Medicine and Regulation of Herbal Medicines: Report of a WHO Global Survey. Geneva: World Health Organization, 2005.
MLA-referens (8:e uppl.)World Health Organization och World Health Organization. National Policy on Traditional Medicine and Regulation of Herbal Medicines: Report of a WHO Global Survey. World Health Organization, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.