Ackert, P., & Partricia Ackert; Đặng Tuấn Anh. (1997). Cause & effect: Intermediate reading practice. Tp. Hồ Chí Minh: Trẻ.
シカゴスタイル引用形Ackert, Partricia, , Partricia Ackert; Đặng Tuấn Anh. Cause & Effect: Intermediate Reading Practice. Tp. Hồ Chí Minh: Trẻ, 1997.
MLA引用形式Ackert, Partricia, , Partricia Ackert; Đặng Tuấn Anh. Cause & Effect: Intermediate Reading Practice. Tp. Hồ Chí Minh: Trẻ, 1997.
警告: この引用は必ずしも正確ではありません.