O'Hair, D. (2019). A pocket guide to public speaking. Boston: Bedford/St. Martin's.
シカゴスタイル引用形O'Hair, Dan. A Pocket Guide to Public Speaking. Boston: Bedford/St. Martin's, 2019.
MLA引用形式O'Hair, Dan. A Pocket Guide to Public Speaking. Boston: Bedford/St. Martin's, 2019.
警告: この引用は必ずしも正確ではありません.