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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Society for the Study of Education. Committee on Educational Evaluation و Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. Chicago: NSSE, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Society for the Study of Education. Committee on Educational Evaluation و Ralph Winfred Tyler. Educational Evaluation: New Roles, New Means, by the Yearbook Committee and Associated Contributors. NSSE, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.