Não informado. (1909). Journal of the Institute of Metals. Institute of Metals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Institute of Metals. London: Institute of Metals, 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Institute of Metals. Institute of Metals, 1909.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.