APA-referens (7:e uppl.)
World Health Organization. (2019). European tobacco use. Trends report 2019. World Health Organization Regional Office for Europe.
Chicago-referens (17:e uppl.)
World Health Organization. European Tobacco Use. Trends Report 2019. Copenhague: World Health Organization Regional Office for Europe, 2019.
MLA-referens (9:e uppl.)
World Health Organization. European Tobacco Use. Trends Report 2019. World Health Organization Regional Office for Europe, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.