Vieira, W. (2008). The new professional salesman: Meeting challenges in the 21st century. Response Books.
Chicago Edition CitationVieira, Walter. The New Professional Salesman: Meeting Challenges in the 21st Century. New Delhi: Response Books, 2008.
Cita MLAVieira, Walter. The New Professional Salesman: Meeting Challenges in the 21st Century. Response Books, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.