Dyfyniad APA

Naunton J. Jon. (2001). Head for Business: Intermediate Workbook (2nd ed.). New York, Oxford University Press, 2001.

Dyfyniad Arddull Chicago

Naunton J. Jon. Head for Business: Intermediate Workbook. 2nd ed. New York, Oxford University Press, 2001, 2001.

Dyfyniad MLA

Naunton J. Jon. Head for Business: Intermediate Workbook. 2nd ed. New York, Oxford University Press, 2001, 2001.

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