Golub, A., & Johnson, B. D. (2001). Variation in youthful risks of progression from alcohol and tobacco to marijuana and to hard drugs across generations.
Παραπομπή Chicago StyleGolub, A., και B D. Johnson. Variation in Youthful Risks of Progression From Alcohol and Tobacco to Marijuana and to Hard Drugs Across Generations. 2001.
Παραπομπή MLAGolub, A., και B D. Johnson. Variation in Youthful Risks of Progression From Alcohol and Tobacco to Marijuana and to Hard Drugs Across Generations. 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.