IFIP TC6/ICCC Joint Conference on ISDN in Europe Hague, Netherlands, International Federation for Information Processing. Technical Committee 6., International Council for Computer Communication, & Arnbak, J. (1989). ISDN, innovative services or innovative technology?: Proceedings of the IFIP TC6/ICCC Joint Conference on ISDN in Europe, The Hague, the Netherlands, 25-27 April, 1989. North-Holland, Distributors for the United States and Canada, Elsevier Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)IFIP TC6/ICCC Joint Conference on ISDN in Europe Hague, Netherlands, International Federation for Information Processing. Technical Committee 6., International Council for Computer Communication, και Jens Arnbak. ISDN, Innovative Services or Innovative Technology?: Proceedings of the IFIP TC6/ICCC Joint Conference on ISDN in Europe, The Hague, the Netherlands, 25-27 April, 1989. Amsterdam : New York : New York, N.Y., U.S.A.: North-Holland, Distributors for the United States and Canada, Elsevier Science, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)IFIP TC6/ICCC Joint Conference on ISDN in Europe Hague, Netherlands, et al. ISDN, Innovative Services or Innovative Technology?: Proceedings of the IFIP TC6/ICCC Joint Conference on ISDN in Europe, The Hague, the Netherlands, 25-27 April, 1989. North-Holland, Distributors for the United States and Canada, Elsevier Science, 1989.