SpringerLink (Online service), Zhang, D., & Huang, X. (2018). Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction (1st ed. 2018.). Springer Singapore : Imprint: Springer. https://doi.org/10.1007/978-981-13-0017-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Dongmei Zhang, και Xin Huang. Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction. 1st ed. 2018. Singapore: Springer Singapore : Imprint: Springer, 2018. https://doi.org/10.1007/978-981-13-0017-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction. 1st ed. 2018. Springer Singapore : Imprint: Springer, 2018. https://doi.org/10.1007/978-981-13-0017-2.
