Annals of the University of Petrosani Electrical Engineering. University of Petrosani.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAnnals of the University of Petrosani Electrical Engineering. University of Petrosani.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAnnals of the University of Petrosani Electrical Engineering. University of Petrosani.
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