Gregutt, P. (2007). Washington wines and wineries: The essential guide. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregutt, Paul. Washington Wines and Wineries: The Essential Guide. Berkeley: University of California Press, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGregutt, Paul. Washington Wines and Wineries: The Essential Guide. University of California Press, 2007.
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