Ross, J. A. (2008). How to hug a porcupine: Negotiating the prickly points of the tween years. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoss, Julie A. How to Hug a Porcupine: Negotiating the Prickly Points of the Tween Years. New York: McGraw-Hill, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoss, Julie A. How to Hug a Porcupine: Negotiating the Prickly Points of the Tween Years. McGraw-Hill, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.