Serling, R. J. (2008). Character & characters: The spirit of Alaska Airlines. Documentary Media LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSerling, Robert J. Character & Characters: The Spirit of Alaska Airlines. Seattle, Wash.: Documentary Media LLC, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSerling, Robert J. Character & Characters: The Spirit of Alaska Airlines. Documentary Media LLC, 2008.
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