APA
World Health Organization, . (2005). WHO model list of essential medicines: 14th list, March 2005. Geneva: WHO.
Chicago
World Health Organization, . 2005. WHO model list of essential medicines: 14th list, March 2005. Geneva: WHO.
Harvard
World Health Organization, . (2005). WHO model list of essential medicines: 14th list, March 2005. Geneva: WHO.
MLA
World Health Organization, . WHO model list of essential medicines: 14th list, March 2005. Geneva: WHO. 2005.