Dunkel, P. A., Đoàn Văn Điều, Gorder, C. G., & Trần Văn Thành. (1993). Start with listening. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh.
Παραπομπή Chicago StyleDunkel, Patricia A., Đoàn Văn Điều, Christine G. Gorder, και Trần Văn Thành. Start With Listening. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1993.
Παραπομπή MLADunkel, Patricia A., Đoàn Văn Điều, Christine G. Gorder, και Trần Văn Thành. Start With Listening. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1993.
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