APA-viite (7. p.)
Higgins, K., & et al. (2019). Evidence for public health on novel psychoactive substance use: A mixed-methods study.
Chicago-viite (17. p.)
Higgins, K., ja et al. Evidence for Public Health on Novel Psychoactive Substance Use: A Mixed-methods Study. 2019.
MLA-viite (9. p.)
Higgins, K., ja et al. Evidence for Public Health on Novel Psychoactive Substance Use: A Mixed-methods Study. 2019.
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