Conference Board of the Associated Research Councils (U.S.). Committee on an Assessment of Quality-Related Characteristics of Research-Doctorate Programs in the United States, Jones, L. V., Lindzey, G., & Coggeshall, P. E. (1982). An Assessment of research-doctorate programs in the United States: Biological sciences. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conference Board of the Associated Research Councils (U.S.). Committee on an Assessment of Quality-Related Characteristics of Research-Doctorate Programs in the United States, Lyle V. Jones, Gardner Lindzey, و Porter E. Coggeshall. An Assessment of Research-doctorate Programs in the United States: Biological Sciences. Washington, D.C.: National Academy Press, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Conference Board of the Associated Research Councils (U.S.). Committee on an Assessment of Quality-Related Characteristics of Research-Doctorate Programs in the United States, et al. An Assessment of Research-doctorate Programs in the United States: Biological Sciences. National Academy Press, 1982.