Landes, H. (1918). Map of Washington showing location of mines, quarries, limekilns, clay and cement plants and other mineral industries. Washington Geological Survery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLandes, Henry. Map of Washington Showing Location of Mines, Quarries, Limekilns, Clay and Cement Plants and Other Mineral Industries. Olympia, Washington: Washington Geological Survery, 1918.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLandes, Henry. Map of Washington Showing Location of Mines, Quarries, Limekilns, Clay and Cement Plants and Other Mineral Industries. Washington Geological Survery, 1918.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.