Cita APA (7th ed.)
Bell, A. H. (1992). Business communication towards 2000. South-Western.
Cita Chicago (17th ed.)
Bell, Arthur H. Business Communication Towards 2000. Ohio: South-Western, 1992.
Cita MLA (9th ed.)
Bell, Arthur H. Business Communication Towards 2000. South-Western, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.