Examination papers from University of Cambridge ESOL Examinations. (2010). Cambridge Preliminary English test for schools 1 with answers. New York: Cambridge university press.
Citação norma ChicagoExamination papers from University of Cambridge ESOL Examinations. Cambridge Preliminary English Test for Schools 1 With Answers. New York: Cambridge university press, 2010.
Citação norma MLAExamination papers from University of Cambridge ESOL Examinations. Cambridge Preliminary English Test for Schools 1 With Answers. New York: Cambridge university press, 2010.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.