Não informado. (2007). The Wilson journal of ornithology. Wilson Ornithological Society.
Lua i Stíl Chicago (17ú heag.)Não informado. The Wilson Journal of Ornithology. Lawrence, Kan: Wilson Ornithological Society, 2007.
Lua MLA (8ú heag.)Não informado. The Wilson Journal of Ornithology. Wilson Ornithological Society, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.