Kershaw, J. D. (1988). Digital Electronics Logic And Systems John D. Kershaw. PWS - Kent.
Lua i Stíl Chicago (17ú heag.)Kershaw, John D. Digital Electronics Logic And Systems John D. Kershaw. PWS - Kent, 1988.
Lua MLA (8ú heag.)Kershaw, John D. Digital Electronics Logic And Systems John D. Kershaw. PWS - Kent, 1988.
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