Cita APA

Collins Cobuild, & Williams, A. (2012). Collins Vocabulary for IELTS. TP. HCM: Tổng hợp.

Chicago Style Citation

Collins Cobuild, i Anneli Williams. Collins Vocabulary for IELTS. TP. HCM: Tổng hợp, 2012.

Cita MLA

Collins Cobuild, i Anneli Williams. Collins Vocabulary for IELTS. TP. HCM: Tổng hợp, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.