Huseman, R. (1980). Business communication. Halt-Saunders.
Lua i Stíl Chicago (17ú heag.)Huseman, R. Business Communication. Tokyo: Halt-Saunders, 1980.
Lua MLA (9ú heag.)Huseman, R. Business Communication. Halt-Saunders, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.