Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Dhawan, K. S. Principles of Information Retrieval. Commonwealth Publishers, 1997.