APA aipamena

Kelkar, S. (2009). Information system: A concise study (1.). PHI.

Chicago Style aipamena

Kelkar, S.A. Information System: A Concise Study. 1. New Delhi: PHI, 2009.

MLA aipamena

Kelkar, S.A. Information System: A Concise Study. 1. PHI, 2009.