APA

Gude K., Stephens M., . (2020). Cambridge English Advanced Result. Oxford: Oxford University Press.

Chicago

Gude K, Stephens M, . 2020. Cambridge English Advanced Result. Oxford: Oxford University Press.

Harvard

Gude K., Stephens M., . (2020). Cambridge English Advanced Result. Oxford: Oxford University Press.

MLA

Gude K, Stephens M, . Cambridge English Advanced Result. Oxford: Oxford University Press. 2020.