APA引文

 Worcester, A. (2010).  Buiding skills for the Toefl iBT: Beginning.  Trẻ.

Trích dẫn kiểu Chicago

 Worcester, Adam.  Buiding Skills for the Toefl IBT: Beginning.  Trẻ, 2010.

MLA引文

 Worcester, Adam.  Buiding Skills for the Toefl IBT: Beginning.  Trẻ, 2010.

警告：這些引文格式不一定是100％准確.