ITL Education Solutions Limited. (2012). Introduction to information technology (2nd ed.). Pearson Education India.
Chicago-viite (17. p.)ITL Education Solutions Limited. Introduction to Information Technology. 2nd ed. New Delhi: Pearson Education India, 2012.
MLA-viite (9. p.)ITL Education Solutions Limited. Introduction to Information Technology. 2nd ed. Pearson Education India, 2012.
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