Montgomery, S. (2010). Birdology: Adventures with a pack of hens, a peck of pigeons, cantankerous crows, fierce falcons, hip hop parrots, baby hummingbirds, and one murderously big living dinosaur (1st Free Press hardcover ed.). Free Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMontgomery, Sy. Birdology: Adventures with a Pack of Hens, a Peck of Pigeons, Cantankerous Crows, Fierce Falcons, Hip Hop Parrots, Baby Hummingbirds, and One Murderously Big Living Dinosaur. 1st Free Press hardcover ed. New York: Free Press, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMontgomery, Sy. Birdology: Adventures with a Pack of Hens, a Peck of Pigeons, Cantankerous Crows, Fierce Falcons, Hip Hop Parrots, Baby Hummingbirds, and One Murderously Big Living Dinosaur. 1st Free Press hardcover ed. Free Press, 2010.