Yoon, S. (2013). Penguin in love. Walker Books for Young Readers, an imprint of Bloomsbury.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYoon, Salina. Penguin in Love. New York: Walker Books for Young Readers, an imprint of Bloomsbury, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रYoon, Salina. Penguin in Love. Walker Books for Young Readers, an imprint of Bloomsbury, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.