Schmitt, M., & Beausang-O'Griafa, M. (2020). Where are you Leopold? (US edition.). BiG, an imprint of Humanoids, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmitt, Michel-Yves, और Miceal Beausang-O'Griafa. Where Are You Leopold? US edition. Los Angeles, CA: BiG, an imprint of Humanoids, Inc., 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchmitt, Michel-Yves, और Miceal Beausang-O'Griafa. Where Are You Leopold? US edition. BiG, an imprint of Humanoids, Inc., 2020.
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