APA引文

Dhawan, K. S. A. (1997). Principles of information retrieval.

Chicago Edition Citation

Dhawan, K S; Author. Principles of Information Retrieval. New Delhi, Commonwealth Publishers, 1997.

MLA引文

Dhawan, K S; Author. Principles of Information Retrieval. 1997.

警告：这些引文格式不一定是100％准确.