Spilsbury, L. (2022). Earth's most mysterious places. Crabtree Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpilsbury, Louise. Earth's Most Mysterious Places. St. Catharines, Ontario ; New York, NY: Crabtree Publishing Company, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpilsbury, Louise. Earth's Most Mysterious Places. Crabtree Publishing Company, 2022.
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