APA引用形式

Vieira, W. . .. (2008). New professional salesman: Meeting challenges in the 21st century (1.). Response Books.

シカゴスタイル引用形

Vieira, Walter. New Professional Salesman: Meeting Challenges in the 21st Century. 1. New Delhi: Response Books, 2008.

MLA引用形式

Vieira, Walter. New Professional Salesman: Meeting Challenges in the 21st Century. 1. Response Books, 2008.

警告: この引用は必ずしも正確ではありません.