APA
WHO, . (1990). Monitoring of national aids prevention and control programmes. Geneva: World Health Organization.
Chicago
WHO, . 1990. Monitoring of national aids prevention and control programmes. Geneva: World Health Organization.
Harvard
WHO, . (1990). Monitoring of national aids prevention and control programmes. Geneva: World Health Organization.
MLA
WHO, . Monitoring of national aids prevention and control programmes. Geneva: World Health Organization. 1990.