Friedman, H. J. (2012). No thanks, I'm just looking!: Sales techniques for turning shoppers into buyers. Wiley.
Chicago Style (17. basım) AtıfFriedman, Harry J. No Thanks, I'm Just Looking!: Sales Techniques for Turning Shoppers into Buyers. Hoboken, N.J.: Wiley, 2012.
MLA (9th ed.) AtıfFriedman, Harry J. No Thanks, I'm Just Looking!: Sales Techniques for Turning Shoppers into Buyers. Wiley, 2012.
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