University of Cambridge. (2010). Cambridge First Certificate in English 4 with answers: Official examination papers from University of Cambridge ESOL examinations. New York: Cambridge university Press.
Chicago ZitierstilUniversity of Cambridge. Cambridge First Certificate in English 4 With Answers: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2010.
MLA ZitierstilUniversity of Cambridge. Cambridge First Certificate in English 4 With Answers: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.