Cita APA

Dale Carnegie. (2011). How to develop self confidence and influence people by public speaking. Harmony books.

Chicago Edition Citation

Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Kozhikode: Harmony books, 2011.

Cita MLA

Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Harmony books, 2011.