Ober, S. (2001). Contemporary business communication (3rd ed.). Boston: Houghton Mifflin.
शिकागो स्टाइल उद्धरणOber, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin, 2001.
एमएलए उद्धरणOber, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.