APA (7th ed.) Citation

(2012). Cambridge English proficiency 1 for updated exam: With answers ; [authentic examination papers from Cambridge ESOL ; self-study]. Cambridge University Press.

Chicago Style (17th ed.) Citation

Cambridge English Proficiency 1 for Updated Exam: With Answers ; [authentic Examination Papers from Cambridge ESOL ; Self-study]. Cambridge: Cambridge University Press, 2012.

MLA (9th ed.) Citation

Cambridge English Proficiency 1 for Updated Exam: With Answers ; [authentic Examination Papers from Cambridge ESOL ; Self-study]. Cambridge University Press, 2012.