Hanna, P. (1998). Believe achieve! penguin.
Lua i Stíl Chicago (17ú heag.)Hanna, Paul. Believe Achieve! New Delhi: penguin, 1998.
Lua MLA (9ú heag.)Hanna, Paul. Believe Achieve! penguin, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.