Cita APA (7th ed.)

Cambridge ESOL. (2011). Examination papers from University of Cambridge ESOL Examinations: Cambridge ESOL.

Cita Chicago (17th ed.)

Cambridge ESOL. Examination Papers from University of Cambridge ESOL Examinations: Cambridge ESOL. Cambridge University Press, 2011.

Cita MLA (9th ed.)

Cambridge ESOL. Examination Papers from University of Cambridge ESOL Examinations: Cambridge ESOL. 2011.