Suerken, C. K., Reboussin, B. A., Sutfin, E. L., Wagoner, K. G., Spangler, J., & Wolfson, M. (2014). Prevalence of Marijuana Use at College Entry and Risk Factors for Initiation During Freshman Year.
Chicago Style aipamenaSuerken, Cynthia K., Beth A. Reboussin, Erin L. Sutfin, Kimberly G. Wagoner, John Spangler, and Mark Wolfson. Prevalence of Marijuana Use At College Entry and Risk Factors for Initiation During Freshman Year. 2014.
MLA aipamenaSuerken, Cynthia K., et al. Prevalence of Marijuana Use At College Entry and Risk Factors for Initiation During Freshman Year. 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.