MCCARTHY MICHAEL. (2011). ENGLISH VOCABULARY IN USE UPPER INTERMIDIATE. CAMBRIDGE UNIVERSITY PRESS.
Cita Chicago (17th ed.)MCCARTHY MICHAEL. ENGLISH VOCABULARY IN USE UPPER INTERMIDIATE. NEW DELHI: CAMBRIDGE UNIVERSITY PRESS, 2011.
Cita MLA (9th ed.)MCCARTHY MICHAEL. ENGLISH VOCABULARY IN USE UPPER INTERMIDIATE. CAMBRIDGE UNIVERSITY PRESS, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.