APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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