Michael Morpurgo. (2015). An Eagle in the Snow. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Michael Morpurgo. An Eagle in the Snow. Great Britain: Harper Collins, 2015.
Lua MLA (9ú heag.)Michael Morpurgo. An Eagle in the Snow. Harper Collins, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.