Sawyer, S. C. (2005). Using information technology: Practical introduction to computer and communication (Sixth edition.). McGraw-hill.
Lua i Stíl Chicago (17ú heag.)Sawyer, Stacey C. Using Information Technology: Practical Introduction to Computer and Communication. Sixth edition. Boston: McGraw-hill, 2005.
Lua MLA (9ú heag.)Sawyer, Stacey C. Using Information Technology: Practical Introduction to Computer and Communication. Sixth edition. McGraw-hill, 2005.
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