Não informado. (2018). Recent Literature: The American Ornithologists' Union. American Ornithologists' Union.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Recent Literature: The American Ornithologists' Union. Washington: American Ornithologists' Union, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Recent Literature: The American Ornithologists' Union. American Ornithologists' Union, 2018.
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