Institute of Electrical and Electronics Engineers\nAmerican Institute of Electrical Engineers. (1931). Electrical Engineering. American Institute of Electrical Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitute of Electrical and Electronics Engineers\nAmerican Institute of Electrical Engineers. Electrical Engineering. New York: American Institute of Electrical Engineers, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInstitute of Electrical and Electronics Engineers\nAmerican Institute of Electrical Engineers. Electrical Engineering. American Institute of Electrical Engineers, 1931.
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