APA-referens (7:e uppl.)
Friedman, H. J. (2012). The retailer's complete book of selling games and contests: Over 100 selling games for increasing on-the-floor performance. John Wiley & Sons, Inc..
Chicago-referens (17:e uppl.)
Friedman, Harry J. The Retailer's Complete Book of Selling Games and Contests: Over 100 Selling Games for Increasing On-the-floor Performance. Hoboken, NJ: John Wiley & Sons, Inc., 2012.
MLA-referens (9:e uppl.)
Friedman, Harry J. The Retailer's Complete Book of Selling Games and Contests: Over 100 Selling Games for Increasing On-the-floor Performance. John Wiley & Sons, Inc., 2012.
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