National Research Council (U.S.), National Research Council (U.S.). Committee on Monitoring International Labor Standards, & Rigby, C. (2003). Monitoring international labor standards: National legal frameworks, summary of a workshop. National Academies Press.

National Research Council (U.S.), National Research Council (U.S.). Committee on Monitoring International Labor Standards, and Crispin Rigby. Monitoring International Labor Standards: National Legal Frameworks, Summary of a Workshop. Washington, D.C: National Academies Press, 2003.

National Research Council (U.S.), et al. Monitoring International Labor Standards: National Legal Frameworks, Summary of a Workshop. National Academies Press, 2003.