Weiner, J. The beak of the finch: Story of evolution in our time. Knopf.
Lua i Stíl Chicago (17ú heag.)Weiner, Jonathan. The Beak of the Finch: Story of Evolution in Our Time. New York: Knopf.
Lua MLA (9ú heag.)Weiner, Jonathan. The Beak of the Finch: Story of Evolution in Our Time. Knopf.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.