Dale Carnegie. (1999). Đắc nhân tâm: = How to win friends and influence people. Hà Nội: Văn Hóa.
Styl cytowania ChicagoDale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.
Styl cytowania MLADale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..