Hubbard L.Ron. (2007). The way to happiness; Acommon ; Guide to better living. New ERa.
Lua i Stíl Chicago (17ú heag.)Hubbard L.Ron. The Way to Happiness; Acommon ; Guide to Better Living. [s.l]: New ERa, 2007.
Lua MLA (9ú heag.)Hubbard L.Ron. The Way to Happiness; Acommon ; Guide to Better Living. New ERa, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.