Thielbar, M., & Ota, Y. (2010). The secret ghost: A mystery with distance and measuring. Graphic Universe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThielbar, Melinda, और Yuko Ota. The Secret Ghost: A Mystery with Distance and Measuring. Minneapolis [Minn.]: Graphic Universe, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThielbar, Melinda, और Yuko Ota. The Secret Ghost: A Mystery with Distance and Measuring. Graphic Universe, 2010.
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