SpringerLink (Online service), Kyriakopoulos, G. D., & Manoli, M. (2019). The Space Treaties at Crossroads: Considerations de Lege Ferenda (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-01479-7
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), George D. Kyriakopoulos, και Maria Manoli. The Space Treaties at Crossroads: Considerations De Lege Ferenda. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-01479-7.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. The Space Treaties at Crossroads: Considerations De Lege Ferenda. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-01479-7.
