Cita APA

Sharma, J. S. (2004). Reference service and sources of information. Ess Ess Publications.

Citación estilo Chicago

Sharma, Jadgish Saranetc. Reference Service and Sources of Information. New Delhi: Ess Ess Publications, 2004.

Cita MLA

Sharma, Jadgish Saranetc. Reference Service and Sources of Information. Ess Ess Publications, 2004.