Swan, M., Schwartz, S., Berg, B., Walker, D., Stephens, R., & Roffman, R. (2008). The Teen Marijuana Check-Up: An In-School Protocol for Eliciting Voluntary Self-Assessment of Marijuana Use.
Čikaški stil citiranjaSwan, Megan, Sam Schwartz, Belinda Berg, Denise Walker, Robert Stephens, i Roger Roffman. The Teen Marijuana Check-Up: An In-School Protocol for Eliciting Voluntary Self-Assessment of Marijuana Use. 2008.
MLA način citiranjaSwan, Megan, et al. The Teen Marijuana Check-Up: An In-School Protocol for Eliciting Voluntary Self-Assessment of Marijuana Use. 2008.
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