APA (7 वां संस्करण) प्रशस्ति पत्र

CARR, H. H., & SNYDER, C. A. (2003). Management of telecommunications: Business solutions to business problems enabled by voice.....-- ed.2. McGraw-Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

CARR, Houston H., और Charles A. SNYDER. Management of Telecommunications: Business Solutions to Business Problems Enabled by Voice.....-- Ed.2. Boston: McGraw-Hill, 2003.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

CARR, Houston H., और Charles A. SNYDER. Management of Telecommunications: Business Solutions to Business Problems Enabled by Voice.....-- Ed.2. McGraw-Hill, 2003.

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