Earley, C. (2019). Feed the birds: Attract and identify 196 common North American birds. Firefly Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEarley, Chris. Feed the Birds: Attract and Identify 196 Common North American Birds. Buffalo, New York ; Richmond Hill, Ontario: Firefly Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEarley, Chris. Feed the Birds: Attract and Identify 196 Common North American Birds. Firefly Books, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.