(1996). Geology, paleontology, and mining history of Republic, Washington. Stonerose Interpretive Center : Ferry County Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGeology, Paleontology, and Mining History of Republic, Washington. Republic, Wash.: Stonerose Interpretive Center : Ferry County Historical Society, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGeology, Paleontology, and Mining History of Republic, Washington. Stonerose Interpretive Center : Ferry County Historical Society, 1996.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.