Collins Cobuild, & Williams, A. (2012). Collins Vocabulary for IELTS. TP. HCM: Tổng hợp.
シカゴスタイル引用形Collins Cobuild, , Anneli Williams. Collins Vocabulary for IELTS. TP. HCM: Tổng hợp, 2012.
MLA引用形式Collins Cobuild, , Anneli Williams. Collins Vocabulary for IELTS. 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.