Friedman, N. J. (1998). Customer service nightmares: 100 tales of the worst experiences possible, and how they could have been fixed. Crisp Publications.
Citazione stile Chigago Style (17a edizione)Friedman, Nancy J. Customer Service Nightmares: 100 Tales of the Worst Experiences Possible, and How They Could Have Been Fixed. Menlo Park, Calif.: Crisp Publications, 1998.
Citatione MLA (8a ed.)Friedman, Nancy J. Customer Service Nightmares: 100 Tales of the Worst Experiences Possible, and How They Could Have Been Fixed. Crisp Publications, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.