Milner, R., & Milner, R. (2009). Darwin's universe: Evolution from A to Z. University of California Press.
Lua i Stíl Chicago (17ú heag.)Milner, Richard, agus Richard Milner. Darwin's Universe: Evolution from A to Z. Berkeley: University of California Press, 2009.
Lua MLA (9ú heag.)Milner, Richard, agus Richard Milner. Darwin's Universe: Evolution from A to Z. University of California Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.