Citação norma APA

(2007). cambridge ielts 4: Examination papers from university of Cambridge ESOL examinations: English for speakers of other languages. New York: Cambridge.

Citação norma Chicago

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.

Citação norma MLA

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.