Ireland S. Sue & Kosta J. Joanna. (2010). Cambridge Vocabulary for PET with answers: Self-study vocabulary practice (3rd ed.). Cambridge, Cambridge University Press, 2010.
Chicago Style (17. basım) AtıfIreland S. Sue ve Kosta J. Joanna. Cambridge Vocabulary for PET with Answers: Self-study Vocabulary Practice. 3rd ed. Cambridge, Cambridge University Press, 2010, 2010.
MLA (9th ed.) AtıfIreland S. Sue ve Kosta J. Joanna. Cambridge Vocabulary for PET with Answers: Self-study Vocabulary Practice. 3rd ed. Cambridge, Cambridge University Press, 2010, 2010.
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