Murphy, M. M. (1986). Drug testing and urinalysis in the workplace: Legal aspects. Congressional Research Service, the Library of Congress.
Cita Chicago Style (17a ed.)Murphy, M. M. "Drug Testing and Urinalysis in the Workplace: Legal Aspects." Congressional Research Service, the Library of Congress 1986.
Cita MLA (8a ed.)Murphy, M. M. "Drug Testing and Urinalysis in the Workplace: Legal Aspects." Congressional Research Service, the Library of Congress, 1986.
Precaución: Estas citas no son 100% exactas.