APA
World Health Organization, . (1979). Medical certification of cause of death: instruction on use of international form of medical certificate of cause of death. Geneva: World Health Oraganization.
Chicago
World Health Organization, . 1979. Medical certification of cause of death: instruction on use of international form of medical certificate of cause of death. Geneva: World Health Oraganization.
Harvard
World Health Organization, . (1979). Medical certification of cause of death: instruction on use of international form of medical certificate of cause of death. Geneva: World Health Oraganization.
MLA
World Health Organization, . Medical certification of cause of death: instruction on use of international form of medical certificate of cause of death. Geneva: World Health Oraganization. 1979.