LOCKER, K. O. (2000). BUSINESS COMMUNICATION. MCGRAW HILL.
Lua i Stíl Chicago (17ú heag.)LOCKER, K O. BUSINESS COMMUNICATION. BOSTON: MCGRAW HILL, 2000.
Lua MLA (9ú heag.)LOCKER, K O. BUSINESS COMMUNICATION. MCGRAW HILL, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.