Byrne, R. (2010). The secret the power. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Byrne, Rhonda. The Secret the Power. London: Simon & Schuster, 2010.
Lua MLA (9ú heag.)Byrne, Rhonda. The Secret the Power. Simon & Schuster, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.