Cooper, S. (2000). Over sea, under stone (First Aladdin Paperbacks edition.). Aladdin Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCooper, Susan. Over Sea, Under Stone. First Aladdin Paperbacks edition. New York: Aladdin Paperbacks, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCooper, Susan. Over Sea, Under Stone. First Aladdin Paperbacks edition. Aladdin Paperbacks, 2000.
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