(1978). Union guide to photograph collections of the Pacific Northwest. Oregon Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnion Guide to Photograph Collections of the Pacific Northwest. Oregon Historical Society, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnion Guide to Photograph Collections of the Pacific Northwest. Oregon Historical Society, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.