(1992). Measuring customer satisfaction: Development and use of questionnaires / Bob E. Hayes.
Čikaški stil citiranja (17. izdanje)Measuring Customer Satisfaction: Development and Use of Questionnaires / Bob E. Hayes. 1992.
MLA način citiranja (9. izdanje)Measuring Customer Satisfaction: Development and Use of Questionnaires / Bob E. Hayes. 1992.
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