Geological Survey (U.S.), Foxworthy, B. L., & Washburn, R. (1957). Ground water in the Pullman area, Whitman County, Washington.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGeological Survey (U.S.), B. L. Foxworthy, और Robert Washburn. Ground Water in the Pullman Area, Whitman County, Washington. [s.l.], 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGeological Survey (U.S.), et al. Ground Water in the Pullman Area, Whitman County, Washington. 1957.
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