Não informado. (1965). AFS cast metals research journal. American Foundrymen's Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. AFS Cast Metals Research Journal. Des Plaines, Ill: American Foundrymen's Society, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. AFS Cast Metals Research Journal. American Foundrymen's Society, 1965.
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