Helliwell, M. (2014). Business plus: Preparing for the workplace (Student's). Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleHelliwell, Margaret. Business Plus: Preparing for the Workplace (Student's). Cambridge: Cambridge University Press, 2014.
Παραπομπή MLAHelliwell, Margaret. Business Plus: Preparing for the Workplace (Student's). Cambridge: Cambridge University Press, 2014.
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