Roemer, R. (1993). Legislative action to combat the world tobacco eoidemic. World Health Organization.
芝加哥风格引文Roemer, Ruth. Legislative Action to Combat the World Tobacco Eoidemic. Geneva: World Health Organization, 1993.
MLA引文Roemer, Ruth. Legislative Action to Combat the World Tobacco Eoidemic. World Health Organization, 1993.
警告：这些引文格式不一定是100％准确.