APA-viite (7. p.)
Grigoroudis, E., & Siskos, Y. (2010). Customer Satisfaction Evaluation: Methods for Measuring and Implementing Service Quality. Springer US. https://doi.org/10.1007/978-1-4419-1640-2
Chicago-viite (17. p.)
Grigoroudis, Evangelos, ja Yannis Siskos. Customer Satisfaction Evaluation: Methods for Measuring and Implementing Service Quality. Boston, MA: Springer US, 2010. https://doi.org/10.1007/978-1-4419-1640-2.
MLA-viite (9. p.)
Grigoroudis, Evangelos, ja Yannis Siskos. Customer Satisfaction Evaluation: Methods for Measuring and Implementing Service Quality. Springer US, 2010. https://doi.org/10.1007/978-1-4419-1640-2.
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