Dale Carnegie. (2011). How to develop self confidence and influence people by public speaking. Harmony books.
Styl ChicagoDale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Kozhikode: Harmony books, 2011.
Citace podle MLADale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Harmony books, 2011.
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