Cita APA

Worcester, A., Eric Williamson, & Lark Bowerman. (2007). Building Skills for the TOEFL iBT: Beginning. TP. Hồ Chí Minh: Trẻ; First News.

Chicago Style Citation

Worcester, Adam, Eric Williamson, i Lark Bowerman. Building Skills for the TOEFL IBT: Beginning. TP. Hồ Chí Minh: Trẻ; First News, 2007.

Cita MLA

Worcester, Adam, Eric Williamson, i Lark Bowerman. Building Skills for the TOEFL IBT: Beginning. TP. Hồ Chí Minh: Trẻ; First News, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.