BOVEE, C. L. (2005). Excellence in business. Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)BOVEE, Courtland L. Excellence in Business. Pearson Prentice Hall, 2005.
Lua MLA (8ú heag.)BOVEE, Courtland L. Excellence in Business. Pearson Prentice Hall, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.