Schoenberg, I.E. Focus on grammar : a basic course for reference and practice / Irene E. Schoenberg, Dahlia Schoenberg ; Ngd.: Lê Huy Lâm, Trương Hoàng Duy - Tp. HCM : Nxb. Tp. HCM., 1997 - 463 tr. Subjects--Topical Terms: Tiếng Anh--Ngữ phápEnglish language.English language--Grammar Dewey Class. No.: 425 / SCH 1997