Zwass, V. (1998). Foundations of information systems. Irwin McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Zwass, Vladimir. Foundations of Information Systems. Irwin McGraw-Hill, 1998.
Lua MLA (8ú heag.)Zwass, Vladimir. Foundations of Information Systems. Irwin McGraw-Hill, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.