Citazione APA

Swan, M. (2009). How english works: A grammar practice book with answers. Oxford: Oxford University Press.

Stile di citazione Chicago

Swan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.

Citazione MLA

Swan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.