Tocci, R. J., & Widmer, N. S. (1995). Digital systems: Principles and applications (6th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Tocci, Ronald J., agus Neal S. Widmer. Digital Systems: Principles and Applications. 6th ed. Englewood Cliffs, N.J. ; New Delhi: Prentice Hall, 1995.
Lua MLA (8ú heag.)Tocci, Ronald J., agus Neal S. Widmer. Digital Systems: Principles and Applications. 6th ed. Prentice Hall, 1995.
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