Zhang, Z., Brittingham, A. M., & Huang, L. X. (1999). Worker Drug Use and Workplace Policies and Programs: Results from the 1994 and 1997 National Household Survey on Drug Abuse. Substance Abuse and Mental Health Services Administration, Office of Applied Studies.
Chicago Style (17th ed.) CitationZhang, Zhiwei, Angela M. Brittingham, and Lynn X. Huang. Worker Drug Use and Workplace Policies and Programs: Results from the 1994 and 1997 National Household Survey on Drug Abuse. [Erscheinungsort nicht ermittelbar]: Substance Abuse and Mental Health Services Administration, Office of Applied Studies, 1999.
MLA (9th ed.) CitationZhang, Zhiwei, et al. Worker Drug Use and Workplace Policies and Programs: Results from the 1994 and 1997 National Household Survey on Drug Abuse. Substance Abuse and Mental Health Services Administration, Office of Applied Studies, 1999.