SpringerLink (Online service), Filipe, J., & Obaidat, M. S. (2009). E-business and Telecommunications: 4th International Conference, ICETE 2007, Barcelona, Spain, July 28-31, 2007, Revised Selected Papers. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Joaquim Filipe, και Mohammad S. Obaidat. E-business and Telecommunications: 4th International Conference, ICETE 2007, Barcelona, Spain, July 28-31, 2007, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. E-business and Telecommunications: 4th International Conference, ICETE 2007, Barcelona, Spain, July 28-31, 2007, Revised Selected Papers. Springer Berlin Heidelberg : Imprint: Springer, 2009.
