Jones, G. (2021). Prepare: B1 Level 4, Workbook with digital pack (Second edition update 2021.). Cambridge University Press.
Cita Chicago Style (17a ed.)Jones, Gareth. Prepare: B1 Level 4, Workbook with Digital Pack. Second edition update 2021. Cambridge: Cambridge University Press, 2021.
Cita MLA (9a ed.)Jones, Gareth. Prepare: B1 Level 4, Workbook with Digital Pack. Second edition update 2021. Cambridge University Press, 2021.
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