Mayr, E. (1997). This is biology: The science of the living world. Belknap Press of Harvard Univ. Press.
Lua i Stíl Chicago (17ú heag.)Mayr, Ernst. This Is Biology: The Science of the Living World. Cambridge, Mass. ; London: Belknap Press of Harvard Univ. Press, 1997.
Lua MLA (8ú heag.)Mayr, Ernst. This Is Biology: The Science of the Living World. Belknap Press of Harvard Univ. Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.