記錄引文

APA引文

Covey, S. R. (2014). Tư duy tối ưu =: First things first. Thành phố Hồ Chí Minh: Trẻ.

Trích dẫn kiểu Chicago

Covey, Stephen R. Tư Duy Tối Ưu =: First Things First. Thành phố Hồ Chí Minh: Trẻ, 2014.

MLA引文

Covey, Stephen R. Tư Duy Tối Ưu =: First Things First. Thành phố Hồ Chí Minh: Trẻ, 2014.

警告：這些引文格式不一定是100％准確.