Neff, J. L., & Magnuson, R. L. (1974). Mining laws of the State of Washington. State of Washington, Dept. of Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNeff, John Lewis, और Robert L. Magnuson. Mining Laws of the State of Washington. Olympia: State of Washington, Dept. of Natural Resources, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNeff, John Lewis, और Robert L. Magnuson. Mining Laws of the State of Washington. State of Washington, Dept. of Natural Resources, 1974.
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