Johnston, L. D., Bachman, J. G., & O'Malley, P. M. (2001). Monitoring the Future National Survey Results on Drug Use, 1975-2000. Volume II: College Students and Adults Ages 19-40. United States department of Health and Human Services, National Institute on Drug Abuse.
Cita Chicago Style (17a ed.)Johnston, Lloyd D., Jerald G. Bachman, y Patrick M. O'Malley. Monitoring the Future National Survey Results on Drug Use, 1975-2000. Volume II: College Students and Adults Ages 19-40. [Erscheinungsort nicht ermittelbar]: United States department of Health and Human Services, National Institute on Drug Abuse, 2001.
Cita MLA (9a ed.)Johnston, Lloyd D., et al. Monitoring the Future National Survey Results on Drug Use, 1975-2000. Volume II: College Students and Adults Ages 19-40. United States department of Health and Human Services, National Institute on Drug Abuse, 2001.