Não informado. (2001). Welding engineer: International edition. American Welding Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Welding Engineer: International Edition. Chicago, Ill: American Welding Society, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Welding Engineer: International Edition. American Welding Society, 2001.
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