SpringerLink (Online service), Froehlich, A., & Seffinga, V. (2018). National Space Legislation: A Comparative and Evaluative Analysis (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-70431-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Annette Froehlich, και Vincent Seffinga. National Space Legislation: A Comparative and Evaluative Analysis. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-70431-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. National Space Legislation: A Comparative and Evaluative Analysis. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-70431-9.
