Não informado. (1976). AFS international cast metals journal. American Foundrymen's Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. AFS International Cast Metals Journal. Des Plaines, Ill: American Foundrymen's Society, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. AFS International Cast Metals Journal. American Foundrymen's Society, 1976.
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