American Society for Metals\nAmerican Society for Steel Treating. (1930). Metal Progress. American Society for Metals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Society for Metals\nAmerican Society for Steel Treating. Metal Progress. Metals Park, Ohio: American Society for Metals, 1930.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Society for Metals\nAmerican Society for Steel Treating. Metal Progress. American Society for Metals, 1930.
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