Gaya APA

Astin, A, W. (1993). Assessment for excellence: the philosophy and practice of assessment and evaluation in higher education . The Oryx Press: American Council on Education and Oryx Press.

Gaya MLA

Astin, Alexander, W.. "Assessment for excellence: the philosophy and practice of assessment and evaluation in higher education". The Oryx Press: American Council on Education and Oryx Press, 1993. Text.