Rutkow, E. (2012). American canopy: The role of trees in the shaping of a nation (1st Scribner hardcover ed.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRutkow, Eric. American Canopy: The Role of Trees in the Shaping of a Nation. 1st Scribner hardcover ed. New York: Scribner, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRutkow, Eric. American Canopy: The Role of Trees in the Shaping of a Nation. 1st Scribner hardcover ed. Scribner, 2012.
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