Canadian Wildlife Service & Brown, R. G. B. (1975). Atlas of eastern Canadian seabirds. Canadian Wildlife Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCanadian Wildlife Service और Richard G. B. Brown. Atlas of Eastern Canadian Seabirds. Ottawa: Canadian Wildlife Service, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCanadian Wildlife Service और Richard G. B. Brown. Atlas of Eastern Canadian Seabirds. Canadian Wildlife Service, 1975.
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