National University Continuing Education Association (U.S.) & University Continuing Education Association. (1987). Continuing higher education review: The journal of the National University Continuing Education Association. Ohio State University, Office of Continuing Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National University Continuing Education Association (U.S.) و University Continuing Education Association. Continuing Higher Education Review: The Journal of the National University Continuing Education Association. [Columbus, Ohio: Ohio State University, Office of Continuing Education, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National University Continuing Education Association (U.S.) و University Continuing Education Association. Continuing Higher Education Review: The Journal of the National University Continuing Education Association. Ohio State University, Office of Continuing Education, 1987.