Palley, J. (2014). 31 High-scoring formulas to answer the ielts speaking questions. Thành phố Hồ Chí Minh: Tổng hợp.
Dyfyniad Arddull ChicagoPalley, Jonathan. 31 High-scoring Formulas to Answer the Ielts Speaking Questions. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
Dyfyniad MLAPalley, Jonathan. 31 High-scoring Formulas to Answer the Ielts Speaking Questions. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.