APA引文

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引文

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

警告：這些引文格式不一定是100％准確.