Rossell, J. (2009). Ruby and Leonard and the great big surprise. Little Hare Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRossell, Judith. Ruby and Leonard and the Great Big Surprise. Surry Hills, N.S.W.: Little Hare Books, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRossell, Judith. Ruby and Leonard and the Great Big Surprise. Little Hare Books, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.