Ober, S. (2001). Contemporary business communication (3rd ed.). Boston: Houghton Mifflin.
Trích dẫn kiểu ChicagoOber, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin, 2001.
ציטוט MLAOber, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin, 2001.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.