APA (7 वां संस्करण) प्रशस्ति पत्र

Halsall, F. (1996). Data communications, computer networks, and open systems (4th ed.). Addison-Wesley Pub. Co., ; Pearson Education.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Halsall, Fred. Data Communications, Computer Networks, and Open Systems. 4th ed. Wokingham, England ; Reading, Mass. : Delhi: Addison-Wesley Pub. Co., ; Pearson Education, 1996.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Halsall, Fred. Data Communications, Computer Networks, and Open Systems. 4th ed. Addison-Wesley Pub. Co., ; Pearson Education, 1996.