Howell, A., & Coulthard, M. (1996). Using the keys to business success: A workbook. South Melbourne: Macmillan Education Australia.
Παραπομπή Chicago StyleHowell, Andrea., και Max Coulthard. Using the Keys to Business Success: A Workbook. South Melbourne: Macmillan Education Australia, 1996.
Παραπομπή MLAHowell, Andrea., και Max Coulthard. Using the Keys to Business Success: A Workbook. South Melbourne: Macmillan Education Australia, 1996.
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