Naunton, J. (2000). Head for business: Intermediate student's book. Oxford: Open University Press.
Trích dẫn kiểu ChicagoNaunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.
Deismireacht MLANaunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.
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