APA
WHO, . (1990). Guidelines for the development of a national aids prevention and control programme. Geneva: World Health Organization.
Chicago
WHO, . 1990. Guidelines for the development of a national aids prevention and control programme. Geneva: World Health Organization.
Harvard
WHO, . (1990). Guidelines for the development of a national aids prevention and control programme. Geneva: World Health Organization.
MLA
WHO, . Guidelines for the development of a national aids prevention and control programme. Geneva: World Health Organization. 1990.