Mike Boyle. (2008). Biology (Third Edition.). London.
Lua i Stíl Chicago (17ú heag.)Mike Boyle. Biology. Third Edition. Harper Collins: London, 2008.
Lua MLA (9ú heag.)Mike Boyle. Biology. Third Edition. London, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.