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.
Trích dẫn kiểu ChicagoMaurer, Jay, Maurer Jay, Lê Huy Lâm, và Phạm Tấn Quyền. Focus On Grammar: An Advanced Course for Reference and Practice. Tp.HCM: Nxb. Tp.HCM, 1997.
ציטוט MLAMaurer, Jay, Maurer Jay, Lê Huy Lâm, và Phạm Tấn Quyền. Focus On Grammar: An Advanced Course for Reference and Practice. Tp.HCM: Nxb. Tp.HCM, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.