APA ציטוט

Collins Cobuild. (2012). Collins Grammar for IELTS. TP. HCM: Tổng hợp.

Trích dẫn kiểu Chicago

Collins Cobuild. Collins Grammar for IELTS. TP. HCM: Tổng hợp, 2012.

ציטוט MLA

Collins Cobuild. Collins Grammar for IELTS. TP. HCM: Tổng hợp, 2012.