Johnston, L. D., Bachman, J. G., & O'Malley, P. M. (1980). 1979 highlights: Drugs and the nation's high school students; five year national trends 1975 - 1979. DHEW publication / ADM.
Chicago-Zitierstil (17. Ausg.)Johnston, Lloyd D., Jerald G. Bachman, und Patrick M. O'Malley. "1979 Highlights: Drugs and the Nation's High School Students; Five Year National Trends 1975 - 1979." DHEW Publication / ADM 1980.
MLA-Zitierstil (8. Ausg.)Johnston, Lloyd D., et al. "1979 Highlights: Drugs and the Nation's High School Students; Five Year National Trends 1975 - 1979." DHEW Publication / ADM, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.