Dale Carnegie. (1999). Đắc nhân tâm: = How to win friends and influence people. Hà Nội: Văn Hóa.
Trích dẫn kiểu ChicagoDale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.
ציטוט MLADale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.