Betsis Andrew. (2012). Succeed in IELTS speaking & Vocabulary ideal for both the Academic & the General Training modules: Student's book. British: GlobaIELT.
Chicago Style aipamenaBetsis Andrew. Succeed in IELTS Speaking & Vocabulary Ideal for Both the Academic & the General Training Modules: Student's Book. British: GlobaIELT, 2012.
MLA aipamenaBetsis Andrew. Succeed in IELTS Speaking & Vocabulary Ideal for Both the Academic & the General Training Modules: Student's Book. British: GlobaIELT, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.