Cambridge Assessment English. (2021). C1 Advanced 4 with Answers with Audio with Resource Bank (First published.). Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Cambridge Assessment English. C1 Advanced 4 with Answers with Audio with Resource Bank. First published. Cambridge, United Kingdom: Cambridge University Press, 2021.
Citatione MLA (9a ed.)Cambridge Assessment English. C1 Advanced 4 with Answers with Audio with Resource Bank. First published. Cambridge University Press, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.