Friedrichs, D. O. (2004). Trusted criminalDavid O. Friedrichs. Thomson.
Lua i Stíl Chicago (17ú heag.)Friedrichs, David O. Trusted CriminalDavid O. Friedrichs. Thomson, 2004.
Lua MLA (8ú heag.)Friedrichs, David O. Trusted CriminalDavid O. Friedrichs. Thomson, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.