Williams, P. (1975). Circuit designs: Collected circards. London: IPC Business Press.
Παραπομπή Chicago StyleWilliams, P. Circuit Designs: Collected Circards. London: IPC Business Press, 1975.
Παραπομπή MLAWilliams, P. Circuit Designs: Collected Circards. London: IPC Business Press, 1975.
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