APA način citiranja (7. izdanje)

Penrose, J. M. (2004). Business Communication for Managers (5th.). Cengage Learning.

Čikaški stil citiranja (17. izdanje)

Penrose, John M. Business Communication for Managers. 5th. New Delhi: Cengage Learning, 2004.

MLA način citiranja (9. izdanje)

Penrose, John M. Business Communication for Managers. 5th. Cengage Learning, 2004.