Não informado. (1892). Bulletin of the British Ornithologists Club. British Ornithologists Club.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the British Ornithologists Club. London: British Ornithologists Club, 1892.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the British Ornithologists Club. British Ornithologists Club, 1892.
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