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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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, و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.