Style de citation APA (7e éd.)

Yule, . G. (2006). Oxford practice grammar advanced with answer. Oxford University Press.

Style de citation Chicago (17e éd.)

Yule, George. Oxford Practice Grammar Advanced with Answer. Inglaterra: Oxford University Press, 2006.

Style de citation MLA (9e éd.)

Yule, George. Oxford Practice Grammar Advanced with Answer. Oxford University Press, 2006.