Athey, T. H., & Zmud, R. W. (1988). Introduction to computers and information systems: Test file (2nd ed.). Scott, Foresman/Little, Brown College Division.
Lua i Stíl Chicago (17ú heag.)Athey, Thomas H., agus Robert W. Zmud. Introduction to Computers and Information Systems: Test File. 2nd ed. Glenview, Ill.: Scott, Foresman/Little, Brown College Division, 1988.
Lua MLA (8ú heag.)Athey, Thomas H., agus Robert W. Zmud. Introduction to Computers and Information Systems: Test File. 2nd ed. Scott, Foresman/Little, Brown College Division, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.