Richardson, R. C., & Martinez, M. (2009). Policy and performance in American higher education: An examination of cases across state systems. Johns Hopkins University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Richardson, Richard C., و Mario Martinez. Policy and Performance in American Higher Education: An Examination of Cases Across State Systems. Baltimore: Johns Hopkins University Press, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Richardson, Richard C., و Mario Martinez. Policy and Performance in American Higher Education: An Examination of Cases Across State Systems. Johns Hopkins University Press, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.