Cita APA (7th ed.)

Harcourt, J., & Krizan, A. (2008). Business communication (7th ed.). Thomson South-Western.

Cita Chicago (17th ed.)

Harcourt, Jules, i A.C Krizan. Business Communication. 7th ed. Mason, Ohio: Thomson South-Western, 2008.

Cita MLA (9th ed.)

Harcourt, Jules, i A.C Krizan. Business Communication. 7th ed. Thomson South-Western, 2008.