Citazione APA

Vieira, W. (2008). The new professional salesman: Meeting challenges in the 21st century. Response.

Stile di citazione Chicago

Vieira, Walter. The New Professional Salesman: Meeting Challenges in the 21st Century. New Delhi: Response, 2008.

Citazione MLA

Vieira, Walter. The New Professional Salesman: Meeting Challenges in the 21st Century. Response, 2008.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.