English Language Services, inc. Engineering, electrical engineering (5a ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEnglish Language Services, inc. Engineering, Electrical Engineering. 5a ed.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEnglish Language Services, inc. Engineering, Electrical Engineering. 5a ed.
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