Washington (State). Division of Geology and Earth Resources & Manson, C. (1997). Bibliography of the geology and mineral resources of Stevens County, Washington. Washington Division of Geology and Earth Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). Division of Geology and Earth Resources और Connie Manson. Bibliography of the Geology and Mineral Resources of Stevens County, Washington. [Washington: Washington Division of Geology and Earth Resources, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). Division of Geology and Earth Resources और Connie Manson. Bibliography of the Geology and Mineral Resources of Stevens County, Washington. Washington Division of Geology and Earth Resources, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.