Gillman, J. (2009). How trees die: The past, present, and future of our forests. Westholme Publishing, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGillman, Jeff. How Trees Die: The Past, Present, and Future of Our Forests. Yardley, Penn.: Westholme Publishing, LLC, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGillman, Jeff. How Trees Die: The Past, Present, and Future of Our Forests. Westholme Publishing, LLC, 2009.
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