National Audubon Society. (2021). National Audubon Society trees of North America: The complete identification reference to trees-- with full-color photographs displaying leaf shape, bark, flowers, and fruit; updated range maps; and conservation status (First edition.). Alfred A. Knopf, a division of Penguin Random House LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Audubon Society. National Audubon Society Trees of North America: The Complete Identification Reference to Trees-- with Full-color Photographs Displaying Leaf Shape, Bark, Flowers, and Fruit; Updated Range Maps; and Conservation Status. First edition. New York: Alfred A. Knopf, a division of Penguin Random House LLC, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Audubon Society. National Audubon Society Trees of North America: The Complete Identification Reference to Trees-- with Full-color Photographs Displaying Leaf Shape, Bark, Flowers, and Fruit; Updated Range Maps; and Conservation Status. First edition. Alfred A. Knopf, a division of Penguin Random House LLC, 2021.