Grammar in use intermediate : a new self-study reference and practice book for learners of English : with answers - Murphy, Raymond; Smalzer, William R.; Trần Thế Vinh; Nguyễn Văn Phước; Ban biên dịch First News. (Tp.HCM : Nxb Trẻ, 2004)
Keywords: English language; Grammar; English language -- Grammar