Williams, B. K., & Sawyer, S. C. (2005). Using information technology: A practical introduction to computers & communications (complete version) (6th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Williams, Brian K., juo Stacey C. Sawyer. Using Information Technology: A Practical Introduction to Computers & Communications (complete Version). 6th ed. Boston: McGraw-Hill, 2005.
MLA-čujuhus (9. p.)Williams, Brian K., juo Stacey C. Sawyer. Using Information Technology: A Practical Introduction to Computers & Communications (complete Version). 6th ed. McGraw-Hill, 2005.
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