Brown, J. (2017). The stone cold age (First edition.). Crown Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrown, Jeffrey. The Stone Cold Age. First edition. New York: Crown Books for Young Readers, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrown, Jeffrey. The Stone Cold Age. First edition. Crown Books for Young Readers, 2017.
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