University of Cambridge. (2014). Cambridge First Certificate in English 4 with answers: Official examination papers from University of Cambridge ESOL examinations. New York: Cambridge university Press.
Citação norma ChicagoUniversity of Cambridge. Cambridge First Certificate in English 4 With Answers: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2014.
Citação norma MLAUniversity of Cambridge. Cambridge First Certificate in English 4 With Answers: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2014.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.