Lin Lougheed. (2007). Barron's IELTS: International english language testing system. Tp. Hồ Chí Minh: Trẻ.
シカゴスタイル引用形Lin Lougheed. Barron's IELTS: International English Language Testing System. Tp. Hồ Chí Minh: Trẻ, 2007.
MLA引用形式Lin Lougheed. Barron's IELTS: International English Language Testing System. Tp. Hồ Chí Minh: Trẻ, 2007.
警告: この引用は必ずしも正確ではありません.