APA aipamena

Ober, S. (2008). Contemporary business communication (Fifth edition.). Houghton Mifflin Co..

Chicago Style aipamena

Ober, Scot. Contemporary Business Communication. Fifth edition. Boston, MA: Houghton Mifflin Co., 2008.

MLA aipamena

Ober, Scot. Contemporary Business Communication. Fifth edition. Houghton Mifflin Co., 2008.