Bentley, T. (2018). Little Penguin stays awake (First edition.). Balzer + Bray, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBentley, Tadgh. Little Penguin Stays Awake. First edition. New York, NY: Balzer + Bray, an imprint of HarperCollinsPublishers, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBentley, Tadgh. Little Penguin Stays Awake. First edition. Balzer + Bray, an imprint of HarperCollinsPublishers, 2018.
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