Dyfyniad APA

Cooper, M., Loukas, A., Case, K. R., Marti, C. N., & Perry, C. L. (2018). A longitudinal study of risk perceptions and e-cigarette initiation among college students: Interactions with smoking status. Drug Alcohol Depend.

Dyfyniad Arddull Chicago

Cooper, Maria, Alexandra Loukas, Kathleen R. Case, C. Nathan Marti, and Cheryl L. Perry. "A Longitudinal Study of Risk Perceptions and E-cigarette Initiation Among College Students: Interactions With Smoking Status." Drug Alcohol Depend 2018.

Dyfyniad MLA

Cooper, Maria, et al. "A Longitudinal Study of Risk Perceptions and E-cigarette Initiation Among College Students: Interactions With Smoking Status." Drug Alcohol Depend 2018.

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