Cambridge University Press. (2023). Cambridge IELTS 18 with Answers: Academic: Fully Update Version: Examination Papers From University Of Cambridge Esol Examination (Fully Updated Version.). Cambridge University Press.
Chicago-referens (17:e uppl.)Cambridge University Press. Cambridge IELTS 18 with Answers: Academic: Fully Update Version: Examination Papers From University Of Cambridge Esol Examination. Fully Updated Version. Cambridge: Cambridge University Press, 2023.
MLA-referens (9:e uppl.)Cambridge University Press. Cambridge IELTS 18 with Answers: Academic: Fully Update Version: Examination Papers From University Of Cambridge Esol Examination. Fully Updated Version. Cambridge University Press, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.