Kreher, R. (2007). UMTS signaling: UMTS interfaces, protocols, message flows and procedures analyzed and explained (2nd ed.). John Wiley & Sons.
Chicago-Zitierstil (17. Ausg.)Kreher, Ralf. UMTS Signaling: UMTS Interfaces, Protocols, Message Flows and Procedures Analyzed and Explained. 2nd ed. Chichester, West Sussex, England: John Wiley & Sons, 2007.
MLA-Zitierstil (9. Ausg.)Kreher, Ralf. UMTS Signaling: UMTS Interfaces, Protocols, Message Flows and Procedures Analyzed and Explained. 2nd ed. John Wiley & Sons, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.