Παραπομπή APA

Halsall,, F. (1996). Data communications, computer networks and open systems (4th ed.). Pearson education.

Παραπομπή Chicago Style

Halsall,, Fred. Data Communications, Computer Networks and Open Systems. 4th ed. New Jersey: Pearson education, 1996.

Παραπομπή MLA

Halsall,, Fred. Data Communications, Computer Networks and Open Systems. 4th ed. Pearson education, 1996.