Cohen, R. M. (2009). Strong at the broken places. Elex Media Komputindo.
Lua i Stíl Chicago (17ú heag.)Cohen, Richard M. Strong at the Broken Places. Elex Media Komputindo, 2009.
Lua MLA (8ú heag.)Cohen, Richard M. Strong at the Broken Places. Elex Media Komputindo, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.