APA (7. basım) Alıntı

National Index of Public Effort to Fund Higher Education, 1930-96. US Department of Education.

Chicago Style (17. basım) Atıf

National Index of Public Effort to Fund Higher Education, 1930-96. US Department of Education.

MLA (8th ed.) Atıf

National Index of Public Effort to Fund Higher Education, 1930-96. US Department of Education.

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