APA
World Health Organization, . (1992). School health education to prevent AIDS and sexually transmitted diseases. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1992. School health education to prevent AIDS and sexually transmitted diseases. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1992). School health education to prevent AIDS and sexually transmitted diseases. World Health Organization, Geneva: .
MLA
World Health Organization, . School health education to prevent AIDS and sexually transmitted diseases. World Health Organization, Geneva: . 1992.