Ferguson, P. (1976). Drugs and employment: Nonmedical use of drugs in occupational and industrial settings Research issues.
Chicago-Zitierstil (17. Ausg.)Ferguson, Patricia. "Drugs and Employment: Nonmedical Use of Drugs in Occupational and Industrial Settings." Research Issues 1976.
MLA-Zitierstil (8. Ausg.)Ferguson, Patricia. "Drugs and Employment: Nonmedical Use of Drugs in Occupational and Industrial Settings." Research Issues, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.