Παραπομπή σε μορφή APA (7η εκδ.)
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..
Παραπομπή σε μορφή Chicago (17η εκδ.)
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.
Παραπομπή σε μορφή MLA (9th εκδ.)
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.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.