Style de citation APA (7e éd.)
Sobel, A. (2013). Power questions to win the sale: Overcoming nine critical sales challenges. Wiley.
Style de citation Chicago (17e éd.)
Sobel, Andrew. Power Questions to Win the Sale: Overcoming Nine Critical Sales Challenges. Hoboken, N.J.: Wiley, 2013.
Style de citation MLA (9e éd.)
Sobel, Andrew. Power Questions to Win the Sale: Overcoming Nine Critical Sales Challenges. Wiley, 2013.
Attention : ces citations peuvent ne pas être correctes à 100%.