Butler, R. (2007). The child within. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Butler, Richard. The Child Within. West Sussex: John Wiley & Sons, 2007.
Lua MLA (9ú heag.)Butler, Richard. The Child Within. John Wiley & Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.