APA引文

Varma, S. N. (1979). Automatic control systems. Khanna.

Chicago Edition Citation

Varma, S N. Automatic Control Systems. New Delhi: Khanna, 1979.

MLA引文

Varma, S N. Automatic Control Systems. Khanna, 1979.

警告：这些引文格式不一定是100％准确.