Referensi

Williams, Brian K, 2007, Using Information Technology: Pengenalan Praktis Dunia Komputer dan Komunikasi Edisi 7 , Penerbit Andi
Beekman George, 2009, Tomorrows’s Technology and You 9th Edition , Prentice Hall.
Beekman George, 2007, Computer Confluence 7th Ed. , Prentice Hall.
White Ron, 2008, How Computers Work 9th Edition. , Que.