Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.