World Health Organization. (1998). Guidelines for controlling and monitoring the tobacco epidemic. World Health Organization.
芝加哥风格引文World Health Organization. Guidelines for Controlling and Monitoring the Tobacco Epidemic. Geneva: World Health Organization, 1998.
MLA引文World Health Organization. Guidelines for Controlling and Monitoring the Tobacco Epidemic. World Health Organization, 1998.
警告：这些引文格式不一定是100％准确.