Arnosky, J. (1997). Watching water birds. National Geographic Society ; Distributed by Publishers Group West.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArnosky, Jim. Watching Water Birds. Washington, DC : [Emeryville, CA]: National Geographic Society ; Distributed by Publishers Group West, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArnosky, Jim. Watching Water Birds. National Geographic Society ; Distributed by Publishers Group West, 1997.
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