Keller, L. S. (1988). Operating systems: : communicating with and controlling the computer. New York: Prentice Hall.
Παραπομπή Chicago StyleKeller, Laurie S. Operating Systems: : Communicating With and Controlling the Computer. New York: Prentice Hall, 1988.
Παραπομπή MLAKeller, Laurie S. Operating Systems: : Communicating With and Controlling the Computer. New York: Prentice Hall, 1988.
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