Edwards, M. W. (1961). Subminiature electron tube life factors. Engineering Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEdwards, Monte W. Subminiature Electron Tube Life Factors. Elizabeth, N.J.: Engineering Publishers, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEdwards, Monte W. Subminiature Electron Tube Life Factors. Engineering Publishers, 1961.
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