HARRIS HERBERT. (2000). TWELVE UNIVERSAL LAWS OF SUCCESS. MASTER MIND BOOKS.
Lua i Stíl Chicago (17ú heag.)HARRIS HERBERT. TWELVE UNIVERSAL LAWS OF SUCCESS. BANGALORE: MASTER MIND BOOKS, 2000.
Lua MLA (9ú heag.)HARRIS HERBERT. TWELVE UNIVERSAL LAWS OF SUCCESS. MASTER MIND BOOKS, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.