Fay, J. J. (1987). Managing drug abuse in the workplace. Forward Edge, Inc.
Cita Chicago Style (17a ed.)Fay, John J. Managing Drug Abuse in the Workplace. Houston, Tex: Forward Edge, Inc, 1987.
Cita MLA (8a ed.)Fay, John J. Managing Drug Abuse in the Workplace. Forward Edge, Inc, 1987.
Precaución: Estas citas no son 100% exactas.