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.
Citación estilo ChicagoNational Society for the Study of Education. Committee on Educational Evaluation and Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. Chicago: NSSE, 1969.
Cita MLANational Society for the Study of Education. Committee on Educational Evaluation and Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. NSSE, 1969.
Warning: These citations may not always be 100% accurate.