Change Institute University of Maryland & University of Maryland, College Park. School of Library and Information Services. (1972). Frontiers in librarianship: Proceedings of the Change Institute, 1969, School of Library and Information Services, University of Maryland. Greenwood Pub. Co.
Παραπομπή σε μορφή Chicago (17η εκδ.)Change Institute University of Maryland και College Park. School of Library and Information Services University of Maryland. Frontiers in Librarianship: Proceedings of the Change Institute, 1969, School of Library and Information Services, University of Maryland. Westport, Conn.: Greenwood Pub. Co, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Change Institute University of Maryland και College Park. School of Library and Information Services University of Maryland. Frontiers in Librarianship: Proceedings of the Change Institute, 1969, School of Library and Information Services, University of Maryland. Greenwood Pub. Co, 1972.