Não informado. (2020). Modern Castings and American Foundryman. American Foundrymen's Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Modern Castings and American Foundryman. Des Plaines, Ill: American Foundrymen's Society, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Modern Castings and American Foundryman. American Foundrymen's Society, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.