Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.