APA citiranje

 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 citiranje

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

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