Norse, E. A. (1990). Ancient forests of the Pacific Northwest. Island Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorse, Elliott A. Ancient Forests of the Pacific Northwest. Washington, D.C.: Island Press, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorse, Elliott A. Ancient Forests of the Pacific Northwest. Island Press, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.