Dunrea, O. (2008). Merry Christmas, Ollie! Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Dunrea, Olivier. Merry Christmas, Ollie! Boston: Houghton Mifflin, 2008.
Lua MLA (8ú heag.)Dunrea, Olivier. Merry Christmas, Ollie! Houghton Mifflin, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.