1. Crocker, C. (ed.),Guidelines for library services to external students.Sydney, Library Association of Australia, 1982, p. 16.
2. Winter, A., Cameron, M.External students and their libraries.An investigation into student needs for reference material, the sources they use, and the effects of the external system within which they study. Canberra, Commonwealth Tertiary Education Commission, 1983, p. 81–82.
3. Radford, N. “Library service to external students: problems, responsibilities, and the need for students”, in Crocker, C. (ed.)Library services in distance education.Proceedings of a national workshop, Brisbane, June 1981. Sydney, Library Association of Australia, 1982, p. 33.
4. ANNUAL report of the University Librarian. 1983.St. Lucia, University of Queensland, p. 8.