APA استشهاد

Held, G. (2000). Understanding data communications from fundamentals to networking (3rd ed.). John Wiley & Sons.

استشهاد بنمط شيكاغو

Held, Gilbert. Understanding Data Communications from Fundamentals to Networking. 3rd ed. Chichester: John Wiley & Sons, 2000.

MLA استشهاد

Held, Gilbert. Understanding Data Communications from Fundamentals to Networking. 3rd ed. John Wiley & Sons, 2000.