Sahanaya, W. IELTS preparation and practice. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSahanaya, Wendy. IELTS Preparation and Practice. Oxford: Oxford University Press.
MLA引文Sahanaya, Wendy. IELTS Preparation and Practice. Oxford: Oxford University Press.
警告:這些引文格式不一定是100%准確.