Cita APA (7th ed.)

University of Cambridge ESOL Examinations. (2009). Cambridge IELTS 7 Student's Book with Answers: Examination papers from University of Cambridge ESOL Examinations. Cambridge University Press.

Cita Chicago (17th ed.)

University of Cambridge ESOL Examinations. Cambridge IELTS 7 Student's Book with Answers: Examination Papers from University of Cambridge ESOL Examinations. Cambridge: Cambridge University Press, 2009.

Cita MLA (9th ed.)

University of Cambridge ESOL Examinations. Cambridge IELTS 7 Student's Book with Answers: Examination Papers from University of Cambridge ESOL Examinations. Cambridge University Press, 2009.