APA način citiranja (7. izdanje)

Guffey, M. E. (1995). Essentials of business communication (3rd ed.). South-Western College.

Čikaški stil citiranja (17. izdanje)

Guffey, Mary Ellen. Essentials of Business Communication. 3rd ed. Cincinnati, Ohio: South-Western College, 1995.

MLA način citiranja (9. izdanje)

Guffey, Mary Ellen. Essentials of Business Communication. 3rd ed. South-Western College, 1995.