Belman, D., Drago, R., & Wooden, M. (1990). Workgroups, efficiency wages, and work effort. National Institute of Labour Studies.
Citace podle Chicago (17th ed.)Belman, Dale, Robert Drago, a Mark Wooden. Workgroups, Efficiency Wages, and Work Effort. Bedford Park, S. Aust.: National Institute of Labour Studies, 1990.
Citace podle MLA (8th ed.)Belman, Dale, et al. Workgroups, Efficiency Wages, and Work Effort. National Institute of Labour Studies, 1990.
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