Allen, S. G. (1987). Productivity levels and productivity change under unionism. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Allen, Steven G. Productivity Levels and Productivity Change Under Unionism. Cambridge, Mass: National Bureau of Economic Research, 1987.
MLA-Zitierstil (9. Ausg.)Allen, Steven G. Productivity Levels and Productivity Change Under Unionism. National Bureau of Economic Research, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.