(2000). National Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.