HILSENRATH, F., & PIERCE, B. (1988). Digital logic circuits and systems. Delmar.
Lua i Stíl Chicago (17ú heag.)HILSENRATH, Fred, agus Bill PIERCE. Digital Logic Circuits and Systems. Albany: Delmar, 1988.
Lua MLA (9ú heag.)HILSENRATH, Fred, agus Bill PIERCE. Digital Logic Circuits and Systems. Delmar, 1988.
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