American Council on Education & Howes, R. F. (1957). Higher education and the society it serves: Statements presented at the annual meeting of the American Council on Education, October 11-12, 1956, Chicago. Amer. Council on Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Council on Education و Raymond Floyd Howes. Higher Education and the Society It Serves: Statements Presented at the Annual Meeting of the American Council on Education, October 11-12, 1956, Chicago. Wash.: Amer. Council on Education, 1957.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Council on Education و Raymond Floyd Howes. Higher Education and the Society It Serves: Statements Presented at the Annual Meeting of the American Council on Education, October 11-12, 1956, Chicago. Amer. Council on Education, 1957.