Παραπομπή APA

Penrose, J. M., & Rasberry, R. W. M. (2007). Business communication for managers: An advanced approach (5th ed.). Thomson Learning.

Παραπομπή Chicago Style

Penrose, John M., και Robert W. Myers Rasberry. Business Communication for Managers: An Advanced Approach. 5th ed. Delhi: Thomson Learning, 2007.

Παραπομπή MLA

Penrose, John M., και Robert W. Myers Rasberry. Business Communication for Managers: An Advanced Approach. 5th ed. Thomson Learning, 2007.