ASTROM, K. J., & WITTENMARK, B. (1997). Computer-controlled systems: Theory and design.-- ed.3. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)ASTROM, Karl J., agus Bjorn WITTENMARK. Computer-controlled Systems: Theory and Design.-- Ed.3. London: Prentice Hall, 1997.
Lua MLA (9ú heag.)ASTROM, Karl J., agus Bjorn WITTENMARK. Computer-controlled Systems: Theory and Design.-- Ed.3. Prentice Hall, 1997.
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