Washington Water Power Company. (1910). The Washington Water Power Company, Spokane, Washington .. Amer. Bank Note Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington Water Power Company. The Washington Water Power Company, Spokane, Washington .. New York: Amer. Bank Note Co., 1910.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington Water Power Company. The Washington Water Power Company, Spokane, Washington .. Amer. Bank Note Co., 1910.
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