C.W. Hill Printing Company & Becher, E. T. (1948). Historical map of Spokane County. E.T. Becher.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रC.W. Hill Printing Company और Edmund T. Becher. Historical Map of Spokane County. Spokane, Wash.: E.T. Becher, 1948.
एमएलए (8वां संस्करण) प्रशस्ति पत्रC.W. Hill Printing Company और Edmund T. Becher. Historical Map of Spokane County. E.T. Becher, 1948.
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