APA-referens (7:e uppl.)
Filippidis, F., & et al. (2016). Two-year trends and predictors of e-cigarette use in 27 European Union member states. https://doi.org/10.1136/tobaccocontrol-2015-052771
Chicago-referens (17:e uppl.)
Filippidis, F., och et al. Two-year Trends and Predictors of E-cigarette Use in 27 European Union Member States. 2016. https://doi.org/10.1136/tobaccocontrol-2015-052771.
MLA-referens (9:e uppl.)
Filippidis, F., och et al. Two-year Trends and Predictors of E-cigarette Use in 27 European Union Member States. 2016. https://doi.org/10.1136/tobaccocontrol-2015-052771.
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