Reeve, P., & Edwards, B. (2017). A darkling plain: Mortal engines series, book 4 (Unabridged.). Scholastic Audio Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रReeve, Philip, और Barnaby Edwards. A Darkling Plain: Mortal Engines Series, Book 4. Unabridged. New York City: Scholastic Audio Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रReeve, Philip, और Barnaby Edwards. A Darkling Plain: Mortal Engines Series, Book 4. Unabridged. Scholastic Audio Books, 2017.
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