Holiday Ryan. (2014). obstacle is the way. London.
Lua i Stíl Chicago (17ú heag.)Holiday Ryan. Obstacle Is the Way. Profile Book: London, 2014.
Lua MLA (9ú heag.)Holiday Ryan. Obstacle Is the Way. London, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.