Edmunds, P., & Paul Edmunds. (2007). Developing skills for the TOEFL iBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ.
Παραπομπή Chicago StyleEdmunds, Paul, και Paul Edmunds. Developing Skills for the TOEFL IBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ, 2007.
Παραπομπή MLAEdmunds, Paul, και Paul Edmunds. Developing Skills for the TOEFL IBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.