(2010). Cambridge first certificate in english 4 with answers: Official examination papers from University of Cambridge ESOL examinations. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Cambridge First Certificate in English 4 with Answers: Official Examination Papers from University of Cambridge ESOL Examinations. Cambridge: Cambridge University Press, 2010.
Citatione MLA (9a ed.)Cambridge First Certificate in English 4 with Answers: Official Examination Papers from University of Cambridge ESOL Examinations. Cambridge University Press, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.