Hart, G. B., & Guy Brook-Hart; Lê Huy Lâm. (2004). Instant IELTS: Ready-to-use tasks and activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh.
Παραπομπή Chicago StyleHart, Guy Brook, και Guy Brook-Hart; Lê Huy Lâm. Instant IELTS: Ready-to-use Tasks and Activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh, 2004.
Παραπομπή MLAHart, Guy Brook, και Guy Brook-Hart; Lê Huy Lâm. Instant IELTS: Ready-to-use Tasks and Activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.