Murphy, J. (2007). Believe in yourself (1st Hay House ed.). Hay House.
Lua i Stíl Chicago (17ú heag.)Murphy, Joseph. Believe in Yourself. 1st Hay House ed. Carlsbad, Calif.: Hay House, 2007.
Lua MLA (9ú heag.)Murphy, Joseph. Believe in Yourself. 1st Hay House ed. Hay House, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.