O'Brien, J. A., & Marakas, G. M. (2010). Introduction to information systems (15th ed.). McGraw-Hill Irwin.
Lua i Stíl Chicago (17ú heag.)O'Brien, James A., agus George M. Marakas. Introduction to Information Systems. 15th ed. Boston: McGraw-Hill Irwin, 2010.
Lua MLA (9ú heag.)O'Brien, James A., agus George M. Marakas. Introduction to Information Systems. 15th ed. McGraw-Hill Irwin, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.