Citazione Stile APA (7a Edizione)
Gross, T. S. (2004). Positively outrageous service: How to delight and astound your customers and win them for life (2nd ed.). Dearborn Trade.
Citazione stile Chigago Style (17a edizione)
Gross, T. Scott. Positively Outrageous Service: How to Delight and Astound Your Customers and Win Them for Life. 2nd ed. Chicago: Dearborn Trade, 2004.
Citatione MLA (9a ed.)
Gross, T. Scott. Positively Outrageous Service: How to Delight and Astound Your Customers and Win Them for Life. 2nd ed. Dearborn Trade, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.