(1994). Headway: Intermediate pronunciation; with tapes. Thanh Hóa: Nxb. Thanh Hóa.
Trích dẫn kiểu ChicagoHeadway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
MLA citiranjeHeadway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
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