(2004). Undersstanding spoken english: Book two. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh.
Trích dẫn kiểu ChicagoUndersstanding Spoken English: Book Two. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 2004.
ציטוט MLAUndersstanding Spoken English: Book Two. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.