Citazione Stile APA (7a Edizione)

Halsall, F. (1996). Data communications, computer networks and open systems (4th ed.). [Publisher not identified].

Citazione stile Chigago Style (17a edizione)

Halsall, Fred. Data Communications, Computer Networks and Open Systems. 4th ed. [Place of publication not identified]: [Publisher not identified], 1996.

Citatione MLA (9a ed.)

Halsall, Fred. Data Communications, Computer Networks and Open Systems. 4th ed. [Publisher not identified], 1996.