Gregg, P., Machin, S., & Metcalf, D. (1991). Signals and cycles productivity growth and changes in union status in British companies, 1984 - 1989. Centre for Economic Performance.
Chicago-Zitierstil (17. Ausg.)Gregg, Paul, Stephen Machin, und David Metcalf. Signals and Cycles Productivity Growth and Changes in Union Status in British Companies, 1984 - 1989. London: Centre for Economic Performance, 1991.
MLA-Zitierstil (9. Ausg.)Gregg, Paul, et al. Signals and Cycles Productivity Growth and Changes in Union Status in British Companies, 1984 - 1989. Centre for Economic Performance, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.