Martin, B., Carle, E., & Paltrow, G. (2011). Polar bear, polar bear, what do you hear? (20th anniversary edition with audio CD.). Henry Holt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMartin, Bill, Eric Carle, और Gwyneth Paltrow. Polar Bear, Polar Bear, What Do You Hear? 20th anniversary edition with audio CD. New York: Henry Holt, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMartin, Bill, et al. Polar Bear, Polar Bear, What Do You Hear? 20th anniversary edition with audio CD. Henry Holt, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.