Jeffers, O. (2021). There's a ghost in this house. Penguin Group USA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJeffers, Oliver. There's a Ghost in This House. [New York]: Penguin Group USA, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJeffers, Oliver. There's a Ghost in This House. Penguin Group USA, 2021.
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