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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National University Continuing Education Association (U.S.) ба 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.
MLA -ийн эшлэл (9 дэх хэвлэлт)National University Continuing Education Association (U.S.) ба 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.