Hubbard, L. (2006). The way to happiness. Jaico.
Lua i Stíl Chicago (17ú heag.)Hubbard, L. The Way to Happiness. Mumbai: Jaico, 2006.
Lua MLA (9ú heag.)Hubbard, L. The Way to Happiness. Jaico, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.