Dutka, A. (1994). AMA handbook for customer satisfaction. NTC business books.
Chicago Edition CitationDutka, Alan. AMA Handbook for Customer Satisfaction. Illinois: NTC business books, 1994.
Cita MLADutka, Alan. AMA Handbook for Customer Satisfaction. NTC business books, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.