APA引文

Dungan,, F. R. (1997). Electronic communications systems (3rd.). Vikas.

Chicago Edition Citation

Dungan,, Frank R. Electronic Communications Systems. 3rd. New Delhi: Vikas, 1997.

MLA引文

Dungan,, Frank R. Electronic Communications Systems. 3rd. Vikas, 1997.

警告：这些引文格式不一定是100％准确.