Παραπομπή APA

Yancey, P. (2006). Mastering skills for the TOEFL IBT: Advanced. Thành phố Hồ Chí Minh: Trẻ.

Παραπομπή Chicago Style

Yancey, Patrick. Mastering Skills for the TOEFL IBT: Advanced. Thành phố Hồ Chí Minh: Trẻ, 2006.

Παραπομπή MLA

Yancey, Patrick. Mastering Skills for the TOEFL IBT: Advanced. Thành phố Hồ Chí Minh: Trẻ, 2006.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.