Hill, N. (2007). Think and grow Rich Napoleon Hill. Ramala Books.
Lua i Stíl Chicago (17ú heag.)Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.
Lua MLA (8ú heag.)Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.