Dyer, S. (2010). Monster day at work. Frances Lincoln Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDyer, Sarah. Monster Day at Work. London: Frances Lincoln Children's Books, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDyer, Sarah. Monster Day at Work. Frances Lincoln Children's Books, 2010.
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