Dyfyniad APA

SpringerLink (Online service), Al-Ekabi, C., & Ferretti, S. (2018). Yearbook on space policy 2016: Space for sustainable development. Springer International Publishing. https://doi.org/10.1007/978-3-319-72465-2

Dyfyniad Arddull Chicago

SpringerLink (Online service), Cenan Al-Ekabi, and Stefano Ferretti. Yearbook on Space Policy 2016: Space for Sustainable Development. Cham: Springer International Publishing, 2018. https://doi.org/10.1007/978-3-319-72465-2.

Dyfyniad MLA

SpringerLink (Online service), et al. Yearbook on Space Policy 2016: Space for Sustainable Development. Springer International Publishing, 2018. https://doi.org/10.1007/978-3-319-72465-2.

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