APA
Roemer R., World Health Organization, . (1993). Legislative action to combat the world tobacco epidemic. Geneva: World Health Organization.
Chicago
Roemer Ruth, World Health Organization, . 1993. Legislative action to combat the world tobacco epidemic. Geneva: World Health Organization.
Harvard
Roemer R., World Health Organization, . (1993). Legislative action to combat the world tobacco epidemic. Geneva: World Health Organization.
MLA
Roemer Ruth, World Health Organization, . Legislative action to combat the world tobacco epidemic. Geneva: World Health Organization. 1993.