Denny, R. (2007). Succeed for Yourself. Gramedia Pustaka Utama.
Lua i Stíl Chicago (17ú heag.)Denny, Richard. Succeed for Yourself. Gramedia Pustaka Utama, 2007.
Lua MLA (8ú heag.)Denny, Richard. Succeed for Yourself. Gramedia Pustaka Utama, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.