Nisbet, J. (2009). The collector: David Douglas and the natural history of the Northwest. Sasquatch Books ; Distributed by PGW/Perseus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNisbet, Jack. The Collector: David Douglas and the Natural History of the Northwest. Seattle, Wash. : [New York, NY]: Sasquatch Books ; Distributed by PGW/Perseus, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNisbet, Jack. The Collector: David Douglas and the Natural History of the Northwest. Sasquatch Books ; Distributed by PGW/Perseus, 2009.
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