Vieira, W. (1999). Planning for executive success: Shaping up for the real corporate world. Response Books.
Chicago-viite (17. p.)Vieira, Walter. Planning for Executive Success: Shaping Up for the Real Corporate World. New Delhi ; Thousand Oaks, Calif.: Response Books, 1999.
MLA-viite (8. p.)Vieira, Walter. Planning for Executive Success: Shaping Up for the Real Corporate World. Response Books, 1999.
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