Bell, D. A. (2015). Pulse, switching and digital circuits (5th ed.). Oxford Unversity Press.
Lua i Stíl Chicago (17ú heag.)Bell, David A. Pulse, Switching and Digital Circuits. 5th ed. New Delhi: Oxford Unversity Press, 2015.
Lua MLA (9ú heag.)Bell, David A. Pulse, Switching and Digital Circuits. 5th ed. Oxford Unversity Press, 2015.
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