APA

Davies P. A., Falla T., . (2019). Cambridge English. First Result. Oxford: Oxford University Press.

Chicago

Davies P A, Falla T, . 2019. Cambridge English. First Result. Oxford: Oxford University Press.

Harvard

Davies P. A., Falla T., . (2019). Cambridge English. First Result. Oxford: Oxford University Press.

MLA

Davies P A, Falla T, . Cambridge English. First Result. Oxford: Oxford University Press. 2019.