APA-referens (7:e uppl.)
Hugh, W., & et al. (2017). Smoke signals: The decline of brand identity predicts reduced smoking behaviour following the introduction of plain packaging.
Chicago-referens (17:e uppl.)
Hugh, W., och et al. Smoke Signals: The Decline of Brand Identity Predicts Reduced Smoking Behaviour Following the Introduction of Plain Packaging. 2017.
MLA-referens (9:e uppl.)
Hugh, W., och et al. Smoke Signals: The Decline of Brand Identity Predicts Reduced Smoking Behaviour Following the Introduction of Plain Packaging. 2017.
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