Bellmann, L., & Brussig, M. (1999). Productivity differences between Western and Eastern German establishments: Labour productivity, firm and organisational behaviour, establishment panel. IAB.
Chicago-Zitierstil (17. Ausg.)Bellmann, Lutz, und Martin Brussig. Productivity Differences Between Western and Eastern German Establishments: Labour Productivity, Firm and Organisational Behaviour, Establishment Panel. Nürnberg: IAB, 1999.
MLA-Zitierstil (9. Ausg.)Bellmann, Lutz, und Martin Brussig. Productivity Differences Between Western and Eastern German Establishments: Labour Productivity, Firm and Organisational Behaviour, Establishment Panel. IAB, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.