Hubbard, L. R. (2007). Introduction to Scientology Ethics. Bridge.
Lua i Stíl Chicago (17ú heag.)Hubbard, L. Ron. Introduction to Scientology Ethics. Bridge, 2007.
Lua MLA (8ú heag.)Hubbard, L. Ron. Introduction to Scientology Ethics. Bridge, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.