Murphy, M. M. (1986). Drug testing and urinalysis in the workplace: Legal aspects. Congressional Research Service, the Library of Congress.
Chicago-Zitierstil (17. Ausg.)Murphy, M. M. "Drug Testing and Urinalysis in the Workplace: Legal Aspects." Congressional Research Service, the Library of Congress 1986.
MLA-Zitierstil (8. Ausg.)Murphy, M. M. "Drug Testing and Urinalysis in the Workplace: Legal Aspects." Congressional Research Service, the Library of Congress, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.