Gaya APA
Grigoroudis, E., Siskos, Y. (2010).
Customer Satisfaction Evaluation; Methods for Measuring and Implementin Service Quality .
London:
Springer.
Gaya MLA
Grigoroudis, Evangelos., Siskos, Yannis.
"Customer Satisfaction Evaluation; Methods for Measuring and Implementin Service Quality".
London:
Springer,
2010.
Text.