Não informado. (1892). Bulletin of the British Ornithologists Club. British Ornithologists Club.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the British Ornithologists Club. London: British Ornithologists Club, 1892.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the British Ornithologists Club. British Ornithologists Club, 1892.
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