Hammond, D., Reid, J. L., Rynard, V. L., Fong, G. T., Cummings, K. M., McNeill, A., . . . White, C. M. (2019). Prevalence of vaping and smoking among adolescents in Canada, England, and the United States: Repeat national cross sectional surveys. BMJ.
Citação norma ChicagoHammond, David, et al. "Prevalence of Vaping and Smoking Among Adolescents in Canada, England, and the United States: Repeat National Cross Sectional Surveys." BMJ 2019.
MLA CitationHammond, David, et al. "Prevalence of Vaping and Smoking Among Adolescents in Canada, England, and the United States: Repeat National Cross Sectional Surveys." BMJ 2019.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.