Edmunds, P., & McKinnon, N. (2011). Developing skills for the Toefl ibt: Intermediate - Speaking. Tp. Hồ Chí Minh: Trẻ.
Chicago Style aipamenaEdmunds, Paul, và Nancie McKinnon. Developing Skills for the Toefl Ibt: Intermediate - Speaking. Tp. Hồ Chí Minh: Trẻ, 2011.
MLA aipamenaEdmunds, Paul, và Nancie McKinnon. Developing Skills for the Toefl Ibt: Intermediate - Speaking. Tp. Hồ Chí Minh: Trẻ, 2011.
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