Brook- Hart, G. (2006). Business Benchmark. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Brook- Hart, Guy. Business Benchmark. New Delhi: Cambridge University Press, 2006.
Lua MLA (9ú heag.)Brook- Hart, Guy. Business Benchmark. Cambridge University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.