Kappes, T. (2013). A ghostly undertaking. Witness, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKappes, Tonya. A Ghostly Undertaking. New York, New York: Witness, an imprint of HarperCollinsPublishers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKappes, Tonya. A Ghostly Undertaking. Witness, an imprint of HarperCollinsPublishers, 2013.
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