Hahn, R. (2011). A1 TOEFL iBT: Speaking. TP. HCM: Trẻ.
シカゴスタイル引用形Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.
MLA引用形式Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.
警告: この引用は必ずしも正確ではありません.
Hahn, R. (2011). A1 TOEFL iBT: Speaking. TP. HCM: Trẻ.
シカゴスタイル引用形Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.
MLA引用形式Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.