Cita APA

Hahn, R. (2011). A1 TOEFL iBT: Speaking. TP. HCM: Trẻ.

Chicago Style Citation

Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.

Cita MLA

Hahn, Richie. A1 TOEFL IBT: Speaking. TP. HCM: Trẻ, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.