Delta's key to the TOEFL test - Gallagher, Nancy; Nguyễn Văn Phước; Vũ Tài Hoa; Ban biên dịch First News. (Tp.HCM : Nxb Trẻ, 2004)
Keywords: Anh ngữ; English language; TOEFL; English language -- Tests; English language -- Textbooks for foreign speakers; Test of English as a Foreign language -- Study guides; English language -- Examinations -- Study guides; Vocabulary tests -- Study guides