Linnea, A. (2010). Keepers of the trees: A guide to re-greening North America. Skyhorse Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLinnea, Ann. Keepers of the Trees: A Guide to Re-greening North America. New York, NY: Skyhorse Pub., 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLinnea, Ann. Keepers of the Trees: A Guide to Re-greening North America. Skyhorse Pub., 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.