Hughes, E. (2005). Electrical and electronic technology (9th ed., rev.). Harlow: Pearson Education Limited.
Παραπομπή Chicago StyleHughes, Edward. Electrical and Electronic Technology. 9th ed., rev. Harlow: Pearson Education Limited, 2005.
Παραπομπή MLAHughes, Edward. Electrical and Electronic Technology. 9th ed., rev. Harlow: Pearson Education Limited, 2005.
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