SpringerLink (Online service), Yang, H., & Qiu, R. (2019). Advances in Service Science: Proceedings of the 2018 INFORMS International Conference on Service Science (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-04726-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Hui Yang, και Robin Qiu. Advances in Service Science: Proceedings of the 2018 INFORMS International Conference on Service Science. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-04726-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Advances in Service Science: Proceedings of the 2018 INFORMS International Conference on Service Science. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-04726-9.