APA引文
World Health Organization. (2019). European tobacco use. Trends report 2019. World Health Organization Regional Office for Europe.
Chicago Style (17th ed.) Citation
World Health Organization. European Tobacco Use. Trends Report 2019. Copenhague: World Health Organization Regional Office for Europe, 2019.
MLA引文
World Health Organization. European Tobacco Use. Trends Report 2019. World Health Organization Regional Office for Europe, 2019.
警告：這些引文格式不一定是100％准確.