Avista Corp. (2012). The evolution of a Spokane landmark: Steam Plant Spokane, Washington. Avista Corporation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAvista Corp. The Evolution of a Spokane Landmark: Steam Plant Spokane, Washington. Spokane, Washington: Avista Corporation, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAvista Corp. The Evolution of a Spokane Landmark: Steam Plant Spokane, Washington. Avista Corporation, 2012.
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