Dale Carnegie. (2011). How to develop self confidence and influence people by public speaking. Harmony books.
シカゴスタイル引用形Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Kozhikode: Harmony books, 2011.
MLA引用形式Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Harmony books, 2011.
警告: この引用は必ずしも正確ではありません.