Symposium on the Regional Geology of the State of Washington, Washington (State). Division of Geology and Earth Resources, Cheney, E. S., & Lasmanis, R. (1994). Regional geology of Washington State. Washington State Dept. of Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSymposium on the Regional Geology of the State of Washington, Washington (State). Division of Geology and Earth Resources, Eric S. Cheney, और Raymond Lasmanis. Regional Geology of Washington State. Olympia, WA: Washington State Dept. of Natural Resources, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSymposium on the Regional Geology of the State of Washington, et al. Regional Geology of Washington State. Washington State Dept. of Natural Resources, 1994.
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