Palley, J. (2011). 31 High - Scoring Formulas to Answer the Ielts Speaking Questions. HCM: Tổng hợp.
Chicago Style CitationPalley, Jonathan. 31 High - Scoring Formulas to Answer the Ielts Speaking Questions. HCM: Tổng hợp, 2011.
MLA CitationPalley, Jonathan. 31 High - Scoring Formulas to Answer the Ielts Speaking Questions. HCM: Tổng hợp, 2011.
Warning: These citations may not always be 100% accurate.