Não informado. (1961). Modern Steel Construction. American Institute of Steel Construction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Modern Steel Construction. Chicago, Ill: American Institute of Steel Construction, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Modern Steel Construction. American Institute of Steel Construction, 1961.
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