Astin, A. W. (1991). Achieving educational excellencea critical assessment of priorities and practices in higher educationAlexander W. Astin. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Astin, Alexander W. Achieving Educational Excellencea Critical Assessment of Priorities and Practices in Higher EducationAlexander W. Astin. Jossey-Bass, 1991.
Lua MLA (8ú heag.)Astin, Alexander W. Achieving Educational Excellencea Critical Assessment of Priorities and Practices in Higher EducationAlexander W. Astin. Jossey-Bass, 1991.
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