Golub, A. L., & Johnson, B. D. (1994). The shifting importance of alcohol and marijuana as gateway substances among serious drug abusers. Journal of studies on alcohol, 55(5), 607-614.
Chicago-Zitierstil (17. Ausg.)Golub, Andrew Lang, und Bruce D. Johnson. "The Shifting Importance of Alcohol and Marijuana as Gateway Substances Among Serious Drug Abusers." Journal of Studies on Alcohol 55, no. 5 (1994): 607-614.
MLA-Zitierstil (9. Ausg.)Golub, Andrew Lang, und Bruce D. Johnson. "The Shifting Importance of Alcohol and Marijuana as Gateway Substances Among Serious Drug Abusers." Journal of Studies on Alcohol, vol. 55, no. 5, 1994, pp. 607-614.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
