Kelkar, S. A. (2009). Information systems: A concise study (Eastern economy ed.). PHI Learning.
Lua i Stíl Chicago (17ú heag.)Kelkar, S. A. Information Systems: A Concise Study. Eastern economy ed. New Delhi: PHI Learning, 2009.
Lua MLA (8ú heag.)Kelkar, S. A. Information Systems: A Concise Study. Eastern economy ed. PHI Learning, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.