Baach, C., & Christel Baach; Joseph Merrill. (1994). Speak to me: Song ngữ Anh Việt,comprehensive interactive video learning system. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh.
Chicago-tyylinen lähdeviittausBaach, Christel, ja Christel Baach; Joseph Merrill. Speak to Me: Song Ngữ Anh Việt,comprehensive Interactive Video Learning System. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1994.
MLA-viiteBaach, Christel, ja Christel Baach; Joseph Merrill. Speak to Me: Song Ngữ Anh Việt,comprehensive Interactive Video Learning System. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1994.
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