(2003). Ielts speaking preparation and practise.
Trích dẫn kiểu ChicagoIelts Speaking Preparation and Practise. 2003.
MLA引文Ielts Speaking Preparation and Practise. 2003.
警告：這些引文格式不一定是100％准確.
APA引文
(2003). Ielts speaking preparation and practise.
Trích dẫn kiểu ChicagoIelts Speaking Preparation and Practise. 2003.
MLA引文Ielts Speaking Preparation and Practise. 2003.