Citazione Stile APA (7a Edizione)

Eastwood, J. (2006). Oxford practice grammar intermediate with answers. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Inglaterra: Oxford University Press, 2006.

Citatione MLA (9a ed.)

Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Oxford University Press, 2006.