Woolcott L A. (1983). Mastering Business Communication. Palgrave.
Lua i Stíl Chicago (17ú heag.)Woolcott L A. Mastering Business Communication. New York: Palgrave, 1983.
Lua MLA (9ú heag.)Woolcott L A. Mastering Business Communication. Palgrave, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.