Gust, S. W., & Walsh, J. M. (1989). Drugs in the workplace: Research and evaluation data. U.S. Department of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse.
Chicago Style (17th ed.) CitationGust, Steven W., and J. Michael Walsh. Drugs in the Workplace: Research and Evaluation Data. Rockville, MD: U.S. Department of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, 1989.
MLA (9th ed.) CitationGust, Steven W., and J. Michael Walsh. Drugs in the Workplace: Research and Evaluation Data. U.S. Department of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, 1989.