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.
Cita Chicago Style (17a ed.)Zhang, Zhiwei, Angela M. Brittingham, y 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.
Cita MLA (9a ed.)Zhang, 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.