Kingston, G. A., & Fulkerson, F. B. (1962). The Pacific Northwest steel industry. U.S. Dept. of the Interior, Bureau of Mines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKingston, Gary A., और Frank B. Fulkerson. The Pacific Northwest Steel Industry. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKingston, Gary A., और Frank B. Fulkerson. The Pacific Northwest Steel Industry. U.S. Dept. of the Interior, Bureau of Mines, 1962.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.