Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.