Bell, D. A. (1999). Electronic devices and circuits (4th ed.). D.A. Bell.
Lua i Stíl Chicago (17ú heag.)Bell, David A. Electronic Devices and Circuits. 4th ed. Sarnia, ON: D.A. Bell, 1999.
Lua MLA (8ú heag.)Bell, David A. Electronic Devices and Circuits. 4th ed. D.A. Bell, 1999.
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