Barrington, R. M. Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarrington, Richard Manliffe. Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarrington, Richard Manliffe. Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report.
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