Coulter, C. (2009). Knockout. G. P. Putnams Sons.
Lua i Stíl Chicago (17ú heag.)Coulter, Catherine. Knockout. New York: G. P. Putnams Sons, 2009.
Lua MLA (9ú heag.)Coulter, Catherine. Knockout. G. P. Putnams Sons, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.