Shelly, G. B., Cashman, T. J., & Serwatka, J. A. (2001). Bussiness data communications: Introductory concepts and techniques (Third ed.). Autralia: Thomson learning.
Trích dẫn kiểu ChicagoShelly, Gary B., Thomas J. Cashman, và Judy A. Serwatka. Bussiness Data Communications: Introductory Concepts and Techniques. Third ed. Autralia: Thomson learning, 2001.
Deismireacht MLAShelly, Gary B., Thomas J. Cashman, và Judy A. Serwatka. Bussiness Data Communications: Introductory Concepts and Techniques. Third ed. Autralia: Thomson learning, 2001.
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