APA استشهاد

Ober, S. (2000). Contemporary business communication (3 edition.).

استشهاد بنمط شيكاغو

Ober, Scot. Contemporary Business Communication. 3 edition. Houghton Mifflin Company: Boston, 2000.

MLA استشهاد

Ober, Scot. Contemporary Business Communication. 3 edition. 2000.