Rob Dransfield. (2006). Applied Business ( Vol-02). Heinemann Publishers.
Lua i Stíl Chicago (17ú heag.)Rob Dransfield. Applied Business ( Vol-02). UK: Heinemann Publishers, 2006.
Lua MLA (9ú heag.)Rob Dransfield. Applied Business ( Vol-02). Heinemann Publishers, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.