SpringerLink (Online service), Widzyk-Capehart, E., Hekmat, A., & Singhal, R. (2019). Proceedings of the 18th Symposium on Environmental Issues and Waste Management in Energy and Mineral Production: SWEMP 2018-Selected Works (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-99903-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Eleonora Widzyk-Capehart, Asieh Hekmat, και Raj Singhal. Proceedings of the 18th Symposium on Environmental Issues and Waste Management in Energy and Mineral Production: SWEMP 2018-Selected Works. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-99903-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Proceedings of the 18th Symposium on Environmental Issues and Waste Management in Energy and Mineral Production: SWEMP 2018-Selected Works. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-99903-6.
