Slater,Stephen. (2008). Ielts on track test practice Academic. HCM: Tổng hợp.
シカゴスタイル引用形Slater,Stephen. Ielts On Track Test Practice Academic. HCM: Tổng hợp, 2008.
MLA引用形式Slater,Stephen. Ielts On Track Test Practice Academic. HCM: Tổng hợp, 2008.
警告: この引用は必ずしも正確ではありません.