(2002). Business The Ultimate resource. Bloomsbury.
Lua i Stíl Chicago (17ú heag.)Business The Ultimate Resource. Bloomsbury, 2002.
Lua MLA (8ú heag.)Business The Ultimate Resource. Bloomsbury, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.