Roemer, R. (1993). Legislative action to combat the world tobacco eoidemic. World Health Organization.
Čikaški stil citiranja (17. izdanje)Roemer, Ruth. Legislative Action to Combat the World Tobacco Eoidemic. Geneva: World Health Organization, 1993.
MLA način citiranja (9. izdanje)Roemer, Ruth. Legislative Action to Combat the World Tobacco Eoidemic. World Health Organization, 1993.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.