एपीए उद्धरण

Dutka, A. (1994). AMA handbook for customer satisfaction. NTC business books.

शिकागो स्टाइल उद्धरण

Dutka, Alan. AMA Handbook for Customer Satisfaction. Illinois: NTC business books, 1994.

एमएलए उद्धरण

Dutka, Alan. AMA Handbook for Customer Satisfaction. NTC business books, 1994.