Norton Peter. (2003). Peter Norton's Introduction to Computers Fifth Edition, Essential Concepts, Student Edition. American: Glencoe--McGraw Hill.
Chicago-tyylinen lähdeviittausNorton Peter. Peter Norton's Introduction to Computers Fifth Edition, Essential Concepts, Student Edition. American: Glencoe--McGraw Hill, 2003.
MLA-viiteNorton Peter. Peter Norton's Introduction to Computers Fifth Edition, Essential Concepts, Student Edition. American: Glencoe--McGraw Hill, 2003.
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