Cita APA

Wilson, W. (2007). Fifty - fifty: A speaking and listening course. Oxford University Press.

Chicago Style Citation

Wilson, Warren. Fifty - Fifty: A Speaking and Listening Course. Oxford University Press, 2007.

Cita MLA

Wilson, Warren. Fifty - Fifty: A Speaking and Listening Course. Oxford University Press, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.