Dyfyniad APA
Hugh, W., & et al. (2017). Smoke signals: The decline of brand identity predicts reduced smoking behaviour following the introduction of plain packaging.
Dyfyniad Arddull Chicago
Hugh, W., and et al. Smoke Signals: The Decline of Brand Identity Predicts Reduced Smoking Behaviour Following the Introduction of Plain Packaging. 2017.
Dyfyniad MLA
Hugh, W., and et al. Smoke Signals: The Decline of Brand Identity Predicts Reduced Smoking Behaviour Following the Introduction of Plain Packaging. 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.