Cita APA (7th ed.)
World Health Organization. (2019). European tobacco use. Trends report 2019. World Health Organization Regional Office for Europe.
Cita Chicago (17th ed.)
World Health Organization. European Tobacco Use. Trends Report 2019. Copenhague: World Health Organization Regional Office for Europe, 2019.
Cita MLA (9th ed.)
World Health Organization. European Tobacco Use. Trends Report 2019. World Health Organization Regional Office for Europe, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.