Boone, L. E., & Kurtz, D. L. (2006). Contemporary business 2006 (2006 [ed.].). Thomson/South-Western.
Lua i Stíl Chicago (17ú heag.)Boone, Louis E., agus David L. Kurtz. Contemporary Business 2006. 2006 [ed.]. Mason, OH: Thomson/South-Western, 2006.
Lua MLA (8ú heag.)Boone, Louis E., agus David L. Kurtz. Contemporary Business 2006. 2006 [ed.]. Thomson/South-Western, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.