Cronin, R. Paper pellets. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Cronin, Richard. Paper Pellets. Oxford University Press.
Lua MLA (8ú heag.)Cronin, Richard. Paper Pellets. Oxford University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.