American Welding Society. (2001). Welding engineer. Jefferson Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Welding Society. Welding Engineer. Chicago, Ill: Jefferson Publications, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Welding Society. Welding Engineer. Jefferson Publications, 2001.
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