Williams, C. L. (2017). Messenger (First Simon & Schuster Books for Young Readers paperback edition.). Simon & Schuster Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Carol Lynch. Messenger. First Simon & Schuster Books for Young Readers paperback edition. New York: Simon & Schuster Books for Young Readers, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Carol Lynch. Messenger. First Simon & Schuster Books for Young Readers paperback edition. Simon & Schuster Books for Young Readers, 2017.
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