Robbins, J., & Campbell, D. (2017). The wonder of birds: What they tell us about ourselves, the world, and a better future (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRobbins, Jim, और Danny Campbell. The Wonder of Birds: What They Tell Us About Ourselves, the World, and a Better Future. Unabridged. Old Saybrook: Tantor Media, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRobbins, Jim, और Danny Campbell. The Wonder of Birds: What They Tell Us About Ourselves, the World, and a Better Future. Unabridged. Tantor Media, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.