APA-viite (7. p.)
Hublet, A., & et al. (2015). Trends in the co-occurrence of tobacco and cannabis use in 15-year-olds from 2002 to 2010 in 28 countries of Europe and North America. https://doi.org/10.1093/eurpub/ckv032
Chicago-viite (17. p.)
Hublet, A., ja et al. Trends in the Co-occurrence of Tobacco and Cannabis Use in 15-year-olds from 2002 to 2010 in 28 Countries of Europe and North America. 2015. https://doi.org/10.1093/eurpub/ckv032.
MLA-viite (9. p.)
Hublet, A., ja et al. Trends in the Co-occurrence of Tobacco and Cannabis Use in 15-year-olds from 2002 to 2010 in 28 Countries of Europe and North America. 2015. https://doi.org/10.1093/eurpub/ckv032.
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