Becraft, G. E., & Weis, P. L. (1963). Geology and mineral deposits of the Turtle Lake quadrangle, Washington. U.S. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBecraft, George E., और Paul L. Weis. Geology and Mineral Deposits of the Turtle Lake Quadrangle, Washington. Washington: U.S. Govt. Print. Off., 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBecraft, George E., और Paul L. Weis. Geology and Mineral Deposits of the Turtle Lake Quadrangle, Washington. U.S. Govt. Print. Off., 1963.
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