University of California. School of Education. Field Service Center. (1959). Selection and educational differentiation: Report of a conference (on selection and educational differentiation) held May 25-27, 1959, Claremont Hotel, Berkeley, California. Field Service Center and Center for the Study of Higher Education, University of California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of California. School of Education. Field Service Center. Selection and Educational Differentiation: Report of a Conference (on Selection and Educational Differentiation) Held May 25-27, 1959, Claremont Hotel, Berkeley, California. Berkeley: Field Service Center and Center for the Study of Higher Education, University of California, 1959.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of California. School of Education. Field Service Center. Selection and Educational Differentiation: Report of a Conference (on Selection and Educational Differentiation) Held May 25-27, 1959, Claremont Hotel, Berkeley, California. Field Service Center and Center for the Study of Higher Education, University of California, 1959.