Harvard Business School Press. (2003). Business Communication. Harvard Business School Press.
Lua i Stíl Chicago (17ú heag.)Harvard Business School Press. Business Communication. Boston: Harvard Business School Press, 2003.
Lua MLA (9ú heag.)Harvard Business School Press. Business Communication. Harvard Business School Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.