Portes, A. (2018). Henry & Eva and the castle on the cliff (First edition.). Harper, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPortes, Andrea. Henry & Eva and the Castle on the Cliff. First edition. New York, NY: Harper, an imprint of HarperCollins Publishers, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPortes, Andrea. Henry & Eva and the Castle on the Cliff. First edition. Harper, an imprint of HarperCollins Publishers, 2018.
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