International Conference on Intelligence in Services and Networks & Trigila, S. (1998). Intelligence in services and networks: Technology for ubiquitous telecom services : 5th International Conference on Intelligence in Services and Networks, IS&N'98 Antwerp, Belgium, May 25-28, 1998 : proceedings. Springer-Verlag.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Intelligence in Services and Networks και Sebastiano Trigila. Intelligence in Services and Networks: Technology for Ubiquitous Telecom Services : 5th International Conference on Intelligence in Services and Networks, IS&N'98 Antwerp, Belgium, May 25-28, 1998 : Proceedings. Berlin ;: Springer-Verlag, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Intelligence in Services and Networks και Sebastiano Trigila. Intelligence in Services and Networks: Technology for Ubiquitous Telecom Services : 5th International Conference on Intelligence in Services and Networks, IS&N'98 Antwerp, Belgium, May 25-28, 1998 : Proceedings. Springer-Verlag, 1998.