Παραπομπή APA

Halsall,Fred. (1999). Data communications,computer networks and open systems (4th.). Pearson Education.

Παραπομπή Chicago Style

Halsall,Fred. Data Communications,computer Networks and Open Systems. 4th. New Delhi: Pearson Education, 1999.

Παραπομπή MLA

Halsall,Fred. Data Communications,computer Networks and Open Systems. 4th. Pearson Education, 1999.

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