Czerniawska, F. (2007). The Trusted Firm. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Czerniawska, Fiona. The Trusted Firm. New Jersey: John Wiley & Sons, 2007.
Lua MLA (9ú heag.)Czerniawska, Fiona. The Trusted Firm. John Wiley & Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.