SpringerLink (Online service), Badr, M., & Lotfy, A. (2019). Sustainable Tunneling and Underground Use: Proceedings of the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 - The Official International Congress of the Soil-Structure Interaction Group in Egypt (SSIGE) (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-01884-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Mona Badr, και Ayman Lotfy. Sustainable Tunneling and Underground Use: Proceedings of the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 - The Official International Congress of the Soil-Structure Interaction Group in Egypt (SSIGE). 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-01884-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Sustainable Tunneling and Underground Use: Proceedings of the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 - The Official International Congress of the Soil-Structure Interaction Group in Egypt (SSIGE). 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-01884-9.
