APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.