Blake, H. (2015). Ghost of a potion. Obsidian, published by New American Library, an imprint of Penguin Random House LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlake, Heather. Ghost of a Potion. New York, New York: Obsidian, published by New American Library, an imprint of Penguin Random House LLC, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlake, Heather. Ghost of a Potion. Obsidian, published by New American Library, an imprint of Penguin Random House LLC, 2015.
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