Cate, A. (2013). Look up!: Bird-watching in your own backyard. Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCate, Annette. Look Up!: Bird-watching in Your Own Backyard. Somerville, Mass.: Candlewick Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCate, Annette. Look Up!: Bird-watching in Your Own Backyard. Candlewick Press, 2013.
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