Hotson, J. W. (1934). Key to the rusts of the Pacific Northwest. University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHotson, John William. Key to the Rusts of the Pacific Northwest. Seattle: University of Washington Press, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHotson, John William. Key to the Rusts of the Pacific Northwest. University of Washington Press, 1934.
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