Foster, P. B. e. M. (2008). Last chance. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Foster, Phillip Burrows e Mark. Last Chance. Oxford University Press, 2008.
Lua MLA (8ú heag.)Foster, Phillip Burrows e Mark. Last Chance. Oxford University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.