Lua APA (7ú heag.)

Held, G. (1994). Understanding data communications (4th ed.). Sams Pub.

Lua i Stíl Chicago (17ú heag.)

Held, Gilbert. Understanding Data Communications. 4th ed. Carmel, Ind: Sams Pub, 1994.

Lua MLA (9ú heag.)

Held, Gilbert. Understanding Data Communications. 4th ed. Sams Pub, 1994.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.