Cita APA (7th ed.)

Belman, D., Drago, R., & Wooden, M. (1990). Workgroups, efficiency wages, and work effort. National Institute of Labour Studies.

Cita Chicago (17th ed.)

Belman, Dale, Robert Drago, i Mark Wooden. Workgroups, Efficiency Wages, and Work Effort. Bedford Park, S. Aust.: National Institute of Labour Studies, 1990.

Cita MLA (8th ed.)

Belman, Dale, et al. Workgroups, Efficiency Wages, and Work Effort. National Institute of Labour Studies, 1990.