Não informado. (1952). Consulting engineer. Technical Publishing Corporation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Consulting Engineer. Barrington, Ill: Technical Publishing Corporation, 1952.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Consulting Engineer. Technical Publishing Corporation, 1952.
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