Não informado. (1892). Bulletin of the British Ornithologists Club. British Ornithologists Club.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the British Ornithologists Club. London: British Ornithologists Club, 1892.
Lua MLA (8ú heag.)Não informado. Bulletin of the British Ornithologists Club. British Ornithologists Club, 1892.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.