APA aipamena
National Society for the Study of Education. Committee on Educational Evaluation & Tyler, R. W. (1969). Educational evaluation: New roles, new means. NSSE; distributed by the University of Chicago Press.
Chicago Style aipamena
National Society for the Study of Education. Committee on Educational Evaluation and Ralph W. Tyler. Educational Evaluation: New Roles, New Means. Chicago: NSSE; distributed by the University of Chicago Press, 1969.
MLA aipamena
National Society for the Study of Education. Committee on Educational Evaluation and Ralph W. Tyler. Educational Evaluation: New Roles, New Means. NSSE; distributed by the University of Chicago Press, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.