Appleton, M. B. (1972). Index of Pacific Northwest portraits. Published for Pacific Northwest Library Association, Reference Division, by the University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAppleton, Marion B. Index of Pacific Northwest Portraits. Seattle: Published for Pacific Northwest Library Association, Reference Division, by the University of Washington Press, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAppleton, Marion B. Index of Pacific Northwest Portraits. Published for Pacific Northwest Library Association, Reference Division, by the University of Washington Press, 1972.
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