Edmunds, P. (2011). Developing skills for the TOEFL IBT: Intermediate, Writing. Thành phố Hồ Chí Minh: Trẻ.
Styl cytowania ChicagoEdmunds, Paul. Developing Skills for the TOEFL IBT: Intermediate, Writing. Thành phố Hồ Chí Minh: Trẻ, 2011.
Styl cytowania MLAEdmunds, Paul. Developing Skills for the TOEFL IBT: Intermediate, Writing. Thành phố Hồ Chí Minh: Trẻ, 2011.
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