Johnston, L. D., Bachman, J. G., O'Malley, P. M., & Schulenberg, J. (1999). Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 1993. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR02523.v1
Chicago-Zitierstil (17. Ausg.)Johnston, Lloyd D., Jerald G. Bachman, Patrick M. O'Malley, und John Schulenberg. Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 1993. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 1999. https://doi.org/10.3886/ICPSR02523.v1.
MLA-Zitierstil (9. Ausg.)Johnston, Lloyd D., et al. Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 1993. [Verlag nicht ermittelbar], 1999. https://doi.org/10.3886/ICPSR02523.v1.