Sally Chambers. (2004). Wilbie Finds a Friend. Gardners Books.
Lua i Stíl Chicago (17ú heag.)Sally Chambers. Wilbie Finds a Friend. Gardners Books, 2004.
Lua MLA (9ú heag.)Sally Chambers. Wilbie Finds a Friend. Gardners Books, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.