Adams, N. B. (1981). The Holden Mine: Discovery to production, 1896-1938. Published for Washington State Historical Society from the press of the World Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdams, Nigel B. The Holden Mine: Discovery to Production, 1896-1938. Wenatchee, Wash.: Published for Washington State Historical Society from the press of the World Pub. Co., 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAdams, Nigel B. The Holden Mine: Discovery to Production, 1896-1938. Published for Washington State Historical Society from the press of the World Pub. Co., 1981.
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