APA

Capel A., Ireland S., . (2000). KET Practice Tests. Four tests for the Cambridge Key English Test. Oxford: Oxford University Press.

Chicago

Capel A, Ireland S, . 2000. KET Practice Tests. Four tests for the Cambridge Key English Test. Oxford: Oxford University Press.

Harvard

Capel A., Ireland S., . (2000). KET Practice Tests. Four tests for the Cambridge Key English Test. Oxford: Oxford University Press.

MLA

Capel A, Ireland S, . KET Practice Tests. Four tests for the Cambridge Key English Test. Oxford: Oxford University Press. 2000.