Swan M. Michael & Walter C. Catherine. (1997). How English Works: A grammar practice book. With answers. Oxford, Oxford University Press, 1997.
Citación estilo ChicagoSwan M. Michael and Walter C. Catherine. How English Works: A Grammar Practice Book. With Answers. Oxford, Oxford University Press, 1997, 1997.
Cita MLASwan M. Michael and Walter C. Catherine. How English Works: A Grammar Practice Book. With Answers. Oxford, Oxford University Press, 1997, 1997.
Warning: These citations may not always be 100% accurate.