Pacific Power and Light Company. (1949). A region comes of age: The story of the fabulous Pacific Northwest. Pacific Power & Light Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPacific Power and Light Company. A Region Comes of Age: The Story of the Fabulous Pacific Northwest. Portland, Or.: Pacific Power & Light Co., 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPacific Power and Light Company. A Region Comes of Age: The Story of the Fabulous Pacific Northwest. Pacific Power & Light Co., 1949.
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