National Society for the Study of Education. Committee on Educational Evaluation & Tyler, R. W. (1969). Educational evaluation: New roles, new means, by the yearbook committee and associated contributors. NSSE.
Chicago-Zitierstil (17. Ausg.)National Society for the Study of Education. Committee on Educational Evaluation und Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. Chicago: NSSE, 1969.
MLA-Zitierstil (8. Ausg.)National Society for the Study of Education. Committee on Educational Evaluation und Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. NSSE, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.