APA Edition Citation

Schiffman, S. (2013). Ultimate book of sales techniques: 75 ways to master, Cold calling, shrpern your unique selling proposition and close the sale.

Chicago Edition Citation

Schiffman, Stephen. Ultimate Book of Sales Techniques: 75 Ways to Master, Cold Calling, Shrpern Your Unique Selling Proposition and Close the Sale. AADAMS Media, 2013.

MLA Edition Citation

Schiffman, Stephen. Ultimate Book of Sales Techniques: 75 Ways to Master, Cold Calling, Shrpern Your Unique Selling Proposition and Close the Sale. 2013.