Marzollo, J., Marzollo, D., Marzollo, D., & Wick, W. (2019). I spy spooky night: A book of picture riddles ([2019 edition].). Cartwheel Books, an imprint of Scholastic, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarzollo, Jean, Dan Marzollo, Dave Marzollo, और Walter Wick. I Spy Spooky Night: A Book of Picture Riddles. [2019 edition]. New York: Cartwheel Books, an imprint of Scholastic, Inc., 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarzollo, Jean, et al. I Spy Spooky Night: A Book of Picture Riddles. [2019 edition]. Cartwheel Books, an imprint of Scholastic, Inc., 2019.
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