Hodge, E. T. (1938). Market for Columbia River hydroelectric power using Northwest minerals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHodge, Edwin T. Market for Columbia River Hydroelectric Power Using Northwest Minerals. Portland, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHodge, Edwin T. Market for Columbia River Hydroelectric Power Using Northwest Minerals. 1938.
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