APA (7th ed.) Zitazioa

Bell, A. H. (1992). Business communication towards 2000. South-Western.

Chicago Style (17th ed.) Zitazioa

Bell, Arthur H. Business Communication Towards 2000. Ohio: South-Western, 1992.

MLA (9th ed.) Zitazioa

Bell, Arthur H. Business Communication Towards 2000. South-Western, 1992.