APA-referens (7:e uppl.)
Birge, M., & et al. (2017). What proportion of people who try one cigarette become daily smokers? A meta-analysis of representative surveys.
Chicago-referens (17:e uppl.)
Birge, M., och et al. What Proportion of People Who Try One Cigarette Become Daily Smokers? A Meta-analysis of Representative Surveys. 2017.
MLA-referens (9:e uppl.)
Birge, M., och et al. What Proportion of People Who Try One Cigarette Become Daily Smokers? A Meta-analysis of Representative Surveys. 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.