Dyfyniad APA

Dale Carnegie. (1999). Đắc nhân tâm: = How to win friends and influence people. Hà Nội: Văn Hóa.

Dyfyniad Arddull Chicago

Dale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.

Dyfyniad MLA

Dale Carnegie. Đắc Nhân Tâm: = How to Win Friends and Influence People. Hà Nội: Văn Hóa, 1999.

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