Litwin, E. (2012). Pete the cat and his four groovy buttons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLitwin, Eric. Pete the Cat and His Four Groovy Buttons. 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLitwin, Eric. Pete the Cat and His Four Groovy Buttons. 2012.
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