Pillai, 2. U. K. S. (1995). Incorporating ISDN protocol handler concepts in integrated voice and data. Sekudai : UTM.
Cita Chicago (17th ed.)Pillai, 287969 Uthaya Kumar Swaminatha. Incorporating ISDN Protocol Handler Concepts in Integrated Voice and Data. Sekudai : UTM, 1995.
Cita MLA (9th ed.)Pillai, 287969 Uthaya Kumar Swaminatha. Incorporating ISDN Protocol Handler Concepts in Integrated Voice and Data. Sekudai : UTM, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.