APA
World Health Organization, . (1989). Monitoring of national AIDS prevention and control programmes. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1989. Monitoring of national AIDS prevention and control programmes. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1989). Monitoring of national AIDS prevention and control programmes. World Health Organization, Geneva: .
MLA
World Health Organization, . Monitoring of national AIDS prevention and control programmes. World Health Organization, Geneva: . 1989.