Maurer, J., Jay, M., Lê Huy Lâm, & Phạm Tấn Quyền. (1997). Focus on grammar: An advanced course for reference and practice. Tp.HCM: Nxb. Tp.HCM.
Styl ChicagoMaurer, Jay, Maurer Jay, Lê Huy Lâm, a Phạm Tấn Quyền. Focus On Grammar: An Advanced Course for Reference and Practice. Tp.HCM: Nxb. Tp.HCM, 1997.
Citace podle MLAMaurer, Jay, Maurer Jay, Lê Huy Lâm, a Phạm Tấn Quyền. Focus On Grammar: An Advanced Course for Reference and Practice. Tp.HCM: Nxb. Tp.HCM, 1997.
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