Kristjansson, A. L., & Sigfusdottir, I. D. (2015). E-cigarette use and relations to tobacco and alcohol use among adolescents. BMC Med.
Citação norma ChicagoKristjansson, Alfgeir L., and Inga Dora Sigfusdottir. "E-cigarette Use and Relations to Tobacco and Alcohol Use Among Adolescents." BMC Med 2015.
MLA CitationKristjansson, Alfgeir L., and Inga Dora Sigfusdottir. "E-cigarette Use and Relations to Tobacco and Alcohol Use Among Adolescents." BMC Med 2015.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.