APA-referens (7:e uppl.)

ebrary, Inc, Smith, L. J., & Baumann, I. (2011). Contracting for space: Contract practice in the European space sector. Ashgate Pub..

Chicago-referens (17:e uppl.)

ebrary, Inc, Lesley Jane Smith, och Ingo Baumann. Contracting for Space: Contract Practice in the European Space Sector. Farnham, U.K. ; Burlington, Vt.: Ashgate Pub., 2011.

MLA-referens (9:e uppl.)

ebrary, Inc, et al. Contracting for Space: Contract Practice in the European Space Sector. Ashgate Pub., 2011.