Shay, W. A. (2010). Understanding data communications and networks (3rd ed.). Thomson Brooks/Cole.
Παραπομπή Chicago StyleShay, William A. Understanding Data Communications and Networks. 3rd ed. Hyderbad ; B S Publications: Thomson Brooks/Cole, 2010.
Παραπομπή MLAShay, William A. Understanding Data Communications and Networks. 3rd ed. Thomson Brooks/Cole, 2010.
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