Friedman, H. J. (2012). No thanks, I'm just looking!: Sales techniques for turning shoppers into buyers. Wiley.
Citazione stile Chigago Style (17a edizione)Friedman, Harry J. No Thanks, I'm Just Looking!: Sales Techniques for Turning Shoppers into Buyers. Hoboken, N.J.: Wiley, 2012.
Citatione MLA (9a ed.)Friedman, Harry J. No Thanks, I'm Just Looking!: Sales Techniques for Turning Shoppers into Buyers. Wiley, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.