University of California, Berkeley. Center for Research and Development in Higher Education, & Clark, B. R. (1972). Students and colleges: Interaction and change. Center for Research and Development in Higher Education, University of California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of California, Berkeley. Center for Research and Development in Higher Education, و Burton R. Clark. Students and Colleges: Interaction and Change. Berkeley: Center for Research and Development in Higher Education, University of California, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of California, Berkeley. Center for Research and Development in Higher Education, و Burton R. Clark. Students and Colleges: Interaction and Change. Center for Research and Development in Higher Education, University of California, 1972.