Boersma, A., & Pyenson, N. (2022). The whale who swam through time: A 200-year journey in the Arctic (First edition.). Roaring Brook Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoersma, Alex, और Nick Pyenson. The Whale Who Swam Through Time: A 200-year Journey in the Arctic. First edition. New York, NY: Roaring Brook Press, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoersma, Alex, और Nick Pyenson. The Whale Who Swam Through Time: A 200-year Journey in the Arctic. First edition. Roaring Brook Press, 2022.
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