Lua APA (7ú heag.)

Held, G. (1996). Understanding Data communications (4th.). P H I.

Lua i Stíl Chicago (17ú heag.)

Held, Gilbert. Understanding Data Communications. 4th. New Delhi: P H I, 1996.

Lua MLA (9ú heag.)

Held, Gilbert. Understanding Data Communications. 4th. P H I, 1996.

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