(2000). National Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education.
Cita Chicago (17th ed.)National Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education, 2000.
Cita MLA (9th ed.)National Index of Public Effort to Fund Higher Education, 1930-96. U.S. Department of Education, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.