ebrary, Inc, & Ghys, F. (2003). 3G multimedia network services, accounting, and user profiles. Artech House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Freddy Ghys. 3G Multimedia Network Services, Accounting, and User Profiles. Boston: Artech House, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Freddy Ghys. 3G Multimedia Network Services, Accounting, and User Profiles. Artech House, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.