(2021). Cambridge IELTS 16: General training with answers : authentic practice tests. Cambridge University Press.
Chicago-referens (17:e uppl.)Cambridge IELTS 16: General Training with Answers : Authentic Practice Tests. Cambridge: Cambridge University Press, 2021.
MLA-referens (9:e uppl.)Cambridge IELTS 16: General Training with Answers : Authentic Practice Tests. Cambridge University Press, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.