Conference on the Present Status and Future Prospects of Reference/Information Service (1966 : Columbia University). (1967). The Present status and future prospects of reference/information service: Proceedings of the Conference held at the School of Library Service, Columbia University, March 30-April 1, 1966. American Library Association.
Chicago-Zitierstil (17. Ausg.)Conference on the Present Status and Future Prospects of Reference/Information Service (1966 : Columbia University). The Present Status and Future Prospects of Reference/information Service: Proceedings of the Conference Held at the School of Library Service, Columbia University, March 30-April 1, 1966. Chicago: American Library Association, 1967.
MLA-Zitierstil (9. Ausg.)Conference on the Present Status and Future Prospects of Reference/Information Service (1966 : Columbia University). The Present Status and Future Prospects of Reference/information Service: Proceedings of the Conference Held at the School of Library Service, Columbia University, March 30-April 1, 1966. American Library Association, 1967.