Ames, P. L. The morphology of the syrinx in passerine birds. Yale University. Peabody Museum of Natural History.
Lua i Stíl Chicago (17ú heag.)Ames, Peter L. The Morphology of the Syrinx in Passerine Birds. New Haven: Yale University. Peabody Museum of Natural History.
Lua MLA (9ú heag.)Ames, Peter L. The Morphology of the Syrinx in Passerine Birds. Yale University. Peabody Museum of Natural History.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.