APA-viite (7. p.)
ebrary, Inc, Smith, L. J., & Baumann, I. (2011). Contracting for space: Contract practice in the European space sector. Ashgate Pub..
Chicago-viite (17. p.)
ebrary, Inc, Lesley Jane Smith, ja Ingo Baumann. Contracting for Space: Contract Practice in the European Space Sector. Farnham, U.K. ; Burlington, Vt.: Ashgate Pub., 2011.
MLA-viite (9. p.)
ebrary, Inc, et al. Contracting for Space: Contract Practice in the European Space Sector. Ashgate Pub., 2011.
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