Monitoring the Future national survey results on drug use, 1975-2006

Citation: 

Johnston, L. D., O'Malley, P. M., Bachman, J. G., & Schulenberg, J. E. (2007). Monitoring the Future national survey results on drug use, 1975-2006: Volume II, College students and adults ages 19-45 (NIH Publication No. 07-6206). Bethesda, MD: National Institute on Drug Abuse, 307 pp.