Bartel, A. (1991). Productivity gains from the implementation of employee training programs. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Bartel, Ann. Productivity Gains from the Implementation of Employee Training Programs. Cambridge, Mass: National Bureau of Economic Research, 1991.
MLA-Zitierstil (9. Ausg.)Bartel, Ann. Productivity Gains from the Implementation of Employee Training Programs. National Bureau of Economic Research, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.