Burger, E., & Bordacchini, G. (2019). Yearbook on Space Policy 2017: Security in Outer Space: Rising Stakes for Civilian Space Programmes (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-05417-5
Παραπομπή σε μορφή Chicago (17η εκδ.)Burger, Edward, και Giulia Bordacchini. Yearbook on Space Policy 2017: Security in Outer Space: Rising Stakes for Civilian Space Programmes. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-05417-5.
Παραπομπή σε μορφή MLA (8th εκδ.)Burger, Edward, και Giulia Bordacchini. Yearbook on Space Policy 2017: Security in Outer Space: Rising Stakes for Civilian Space Programmes. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-05417-5.
