Cita APA

oh Justin, & Hwang Sugyeong. (2008). Toefl iBT navigator: Writing. Hồ Chí Minh: Tổng hợp TP. HCM.

Chicago Style Citation

oh Justin, i Hwang Sugyeong. Toefl IBT Navigator: Writing. Hồ Chí Minh: Tổng hợp TP. HCM, 2008.

Cita MLA

oh Justin, i Hwang Sugyeong. Toefl IBT Navigator: Writing. Hồ Chí Minh: Tổng hợp TP. HCM, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.