Here are two additional peer-reviewed sources on factors related to adolescent drug use:
Bogenschneider, K., Wu, M., Raffaelli, M., & Tsay, J. C. (1998). "Other teens drink, but not my kid": Does parental awareness of adolescents alcohol use protect adolescents from risky consequences? Journal of Marriage and Family, 60(2), 356-373.
Simons, R. L., & Robertson, J. F. (1989). The impact of parenting factors, deviant peers, and coping style upon adolescent drug use. Family Relations, 38(3), 273-281.