Sawyer, S. C., Hutchinson, S. E., & Williams, B. K. (1999). Using information technology: Practical introduction to computers & communications (Third edition.). Irwin/ McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Sawyer, Stacey C., Sarah E. Hutchinson, agus Brian K. Williams. Using Information Technology: Practical Introduction to Computers & Communications. Third edition. Boston: Irwin/ McGraw-Hill, 1999.
Lua MLA (9ú heag.)Sawyer, Stacey C., et al. Using Information Technology: Practical Introduction to Computers & Communications. Third edition. Irwin/ McGraw-Hill, 1999.
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