Cita APA (7th ed.)

Harcourt, J., & Krizan, A. C. (1999). Business communication (4th ed.). South-Western College Publishing.

Cita Chicago (17th ed.)

Harcourt, Jules, i A. C. Krizan. Business Communication. 4th ed. Cincinnati, Ohio: South-Western College Publishing, 1999.

Cita MLA (9th ed.)

Harcourt, Jules, i A. C. Krizan. Business Communication. 4th ed. South-Western College Publishing, 1999.