(2014). IELTS Examination Papers with answers. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)IELTS Examination Papers with Answers. Cambridge: Cambridge University Press, 2014.
Citatione MLA (9a ed.)IELTS Examination Papers with Answers. Cambridge University Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.