Griffiths, M. (2012). Cambridge IELTS: Practice tests. TP. HCM: Tổng hợp.
シカゴスタイル引用形Griffiths, Mark. Cambridge IELTS: Practice Tests. TP. HCM: Tổng hợp, 2012.
MLA引用形式Griffiths, Mark. Cambridge IELTS: Practice Tests. TP. HCM: Tổng hợp, 2012.
警告: この引用は必ずしも正確ではありません.