O'Hair, D. (2019). A pocket guide to public speaking. Boston: Bedford/St. Martin's.
शिकागो स्टाइल उद्धरणO'Hair, Dan. A Pocket Guide to Public Speaking. Boston: Bedford/St. Martin's, 2019.
एमएलए उद्धरणO'Hair, Dan. A Pocket Guide to Public Speaking. Boston: Bedford/St. Martin's, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.