SpringerLink (Online service), Adelle, C., Biedenkopf, K., & Torney, D. (2018). European Union External Environmental Policy: Rules, Regulation and Governance Beyond Borders (1st ed. 2018.). Springer International Publishing : Imprint: Palgrave Macmillan. https://doi.org/10.1007/978-3-319-60931-7
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Camilla Adelle, Katja Biedenkopf, και Diarmuid Torney. European Union External Environmental Policy: Rules, Regulation and Governance Beyond Borders. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-60931-7.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. European Union External Environmental Policy: Rules, Regulation and Governance Beyond Borders. 1st ed. 2018. Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-60931-7.
