SpringerLink (Online service), Katsoni, V., & Velander, K. (2018). Innovative Approaches to Tourism and Leisure: Fourth International Conference IACuDiT, Athens 2017 (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-67603-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Vicky Katsoni, και Kathy Velander. Innovative Approaches to Tourism and Leisure: Fourth International Conference IACuDiT, Athens 2017. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-67603-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Innovative Approaches to Tourism and Leisure: Fourth International Conference IACuDiT, Athens 2017. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-67603-6.
