264245 Bethel, W. (1995). 10 steps to connecting with your customers: Communication skills for selling your products, services and ideas. Chicago, Il. : Darthell.
Citazione stile Chigago Style (17a edizione)264245 Bethel, William. 10 Steps to Connecting with Your Customers: Communication Skills for Selling Your Products, Services and Ideas. Chicago, Il. : Darthell, 1995.
Citatione MLA (9a ed.)264245 Bethel, William. 10 Steps to Connecting with Your Customers: Communication Skills for Selling Your Products, Services and Ideas. Chicago, Il. : Darthell, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.