APA-referens (7:e uppl.)
TNS Opinion & Social. (2017). Attitudes of Europeans towards tobacco and electronic cigarettes. Report. European Commission.
Chicago-referens (17:e uppl.)
TNS Opinion & Social. Attitudes of Europeans Towards Tobacco and Electronic Cigarettes. Report. Bruselas: European Commission, 2017.
MLA-referens (9:e uppl.)
TNS Opinion & Social. Attitudes of Europeans Towards Tobacco and Electronic Cigarettes. Report. European Commission, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.