Cita APA (7th ed.)

Singh, N. (2012). Library classification. Random Publications.

Cita Chicago (17th ed.)

Singh, Niranjan. Library Classification. New Delhi: Random Publications, 2012.

Cita MLA (9th ed.)

Singh, Niranjan. Library Classification. Random Publications, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.