Stair Ralph M. (2001). Principles of Information Systems. Course Technology.
Lua i Stíl Chicago (17ú heag.)Stair Ralph M. Principles of Information Systems. Cambridge: Course Technology, 2001.
Lua MLA (9ú heag.)Stair Ralph M. Principles of Information Systems. Course Technology, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.