APA-viite (7. p.)
Benishek, L., & et al. (2014). Prize-based contingency management for the treatment of substance abusers: A meta-analysis.
Chicago-viite (17. p.)
Benishek, L.A, ja et al. Prize-based Contingency Management for the Treatment of Substance Abusers: A Meta-analysis. 2014.
MLA-viite (9. p.)
Benishek, L.A, ja et al. Prize-based Contingency Management for the Treatment of Substance Abusers: A Meta-analysis. 2014.
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