National Research Council (U.S.). Committee on National Statistics, National Research Council (U.S.). Division of Behavioral and Social Sciences and Education, House, C. C., Rhodes, H. G., & Sinha, E. (2015). Measuring research and development expenditures in the U.S. nonprofit sector: Conceptual and design issues : summary of a workshop. The National Academies Press.

National Research Council (U.S.). Committee on National Statistics, National Research Council (U.S.). Division of Behavioral and Social Sciences and Education, Carol C. House, Holly G. Rhodes, and Esha Sinha. Measuring Research and Development Expenditures in the U.S. Nonprofit Sector: Conceptual and Design Issues : Summary of a Workshop. Washington, District of Columbia: The National Academies Press, 2015.

National Research Council (U.S.). Committee on National Statistics, et al. Measuring Research and Development Expenditures in the U.S. Nonprofit Sector: Conceptual and Design Issues : Summary of a Workshop. The National Academies Press, 2015.