Cotton, T. (2019). Sacred duty: A soldier's tour at Arlington National Cemetery (First edition.). William Morrow, An Imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCotton, Tom. Sacred Duty: A Soldier's Tour at Arlington National Cemetery. First edition. New York, NY: William Morrow, An Imprint of HarperCollins Publishers, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCotton, Tom. Sacred Duty: A Soldier's Tour at Arlington National Cemetery. First edition. William Morrow, An Imprint of HarperCollins Publishers, 2019.
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