APA-ийн эшлэл(7 дахь хэвлэлт)

Brock, S. L. (1996). Better business writing: Techniques for improving correspondence (3rd ed.). Crisp Publication.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. California: Crisp Publication, 1996.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. Crisp Publication, 1996.