Mildenberger, V. (2025). Otto and the story tree (First edition.). Random House Studio, an imprint of Random House Children's Books, a division of Penguin Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMildenberger, Vivien. Otto and the Story Tree. First edition. New York: Random House Studio, an imprint of Random House Children's Books, a division of Penguin Random House, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMildenberger, Vivien. Otto and the Story Tree. First edition. Random House Studio, an imprint of Random House Children's Books, a division of Penguin Random House, 2025.
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