Black, U. D. (1993). Computer networks: Protocols, standards, and interfaces (2nd ed.). PTR Prentice Hall ; Prentice Hall of India Pvt. Ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlack, Uyless D. Computer Networks: Protocols, Standards, and Interfaces. 2nd ed. Englewood Cliffs, N.J. : New Delhi: PTR Prentice Hall ; Prentice Hall of India Pvt. Ltd., 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlack, Uyless D. Computer Networks: Protocols, Standards, and Interfaces. 2nd ed. PTR Prentice Hall ; Prentice Hall of India Pvt. Ltd., 1993.
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