Howard, J. (1982). Darwin. Dom Quixote.
Lua i Stíl Chicago (17ú heag.)Howard, Jonathan. Darwin. Dom Quixote, 1982.
Lua MLA (8ú heag.)Howard, Jonathan. Darwin. Dom Quixote, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.