Kellerman, J. (2003). A cold heart. Ballantine Books.
Lua i Stíl Chicago (17ú heag.)Kellerman, Jonathan. A Cold Heart. New York, NY: Ballantine Books, 2003.
Lua MLA (9ú heag.)Kellerman, Jonathan. A Cold Heart. Ballantine Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.